Mientras la flota mundial de Boeing 737 MAX sigue en tierra tras dos accidentes fatales, un avión con distintivos de Air Canada ha sido visto en sitios web de rastreo, yendo y viniendo entre Quebec y Ontario. 

UPDATE Actualiza con ganadores de la licitación Mapa que localiza los doce aeropuertos ofrecidos el viernes por Brasil en licitación para su operación. (SGN02) 

UPDATE Actualizado al 30 de octubre Mapa que muestra la ruta del vuelo JT610 de Lion Air que se estrelló el lunes en el mar con 189 personas a bordo. Incluye ilustración del Boeing 737 MAX 8 y cronología. 22 cm de ancho. (SGN05) 

A broken air conditioner is seen outside a shut-down elementary school, in Toa Baja, Puerto Rico February 5, 2018. REUTERS/Alvin Baez 

A suspect is handcuffed and detained by policemen after a grenade attack of Burundi's capital Bujumbura, February 3, 2016. At least one person was killed in a grenade attack on a bar in Burundi on Monday night, witnesses said, in more violence since the African Union backed away from sending in peacekeepers without the government's consent. REUTERS/Jean Pierre Aime Harerimama TPX IMAGES OF THE DAY

A protester gestures in front of a policeman during a protest against Burundi President Pierre Nkurunziza and his bid for a third term in Bujumbura, Burundi, June 2, 2015. REUTERS/Goran Tomasevic 

A protester, hiding from police, tries to retrieve a machete during a protest against President Pierre Nkurunziza's decision to run for a third term in Bujumbura, Burundi, May 29, 2015. REUTERS/Goran Tomasevic TPX IMAGES OF THE DAY

A female protester shouts at policemen (not pictured) during a protest against Burundi President Pierre Nkurunziza and his bid for a third term in Bujumbura, Burundi, May 26, 2015. REUTERS/Goran Tomasevic TPX IMAGES OF THE DAY

A protester holds his hands up in front of soldiers during a protest against Burundi President Pierre Nkurunziza and his bid for a third term in Bujumbura, May 19, 2015. Burundi police fire tear gas and beat protesters who are demanding Nkurunziza end his bid for a third term, in a resurgence of unrest that has stoked fears of ethnic conflict in Africa's Great Lakes.REUTERS/Goran Tomasevic 

Protesters, who are against President Pierre Nkurunziza's decision to run for a third term, gesture in front of a burning barricade in Bujumbura, Burundi May 14, 2015. The head of Burundi's army said on Thursday that an attempted coup had failed and forces loyal to Nkurunziza were in control, a day after another general said he had sacked Nkurunziza for seeking an unconstitutional third term in office. REUTERS/Goran Tomasevic TPX IMAGES OF THE DAY

A riot policeman and military officers hold their position near civilians following recent clashes between protesters and riot-police against the decision made by Burundi's ruling CNDD-FDD party to allow President Pierre Nkurunziza to run for a third five-year term in office, in the capital Bujumbura, April 29, 2015. A top U.S. diplomat was heading to Burundi on Wednesday, seeking to halt escalating unrest triggered by President Pierre Nkurunziza's decision to seek a third term in office, a move protesters say is unconstitutional. REUTERS/Thomas Mukoya TPX IMAGES OF THE DAY

Protestors chant anti-government slogans as they clash with riot police during a protest against the ruling CNDD-FDD party's decision to allow President Pierre Nkurunziza to run for a third five-year term in office, in the capital Bujumbura, April 27, 2015. Police fired tear gas and water cannon at protesters rallying in Burundi's capital on Monday against the president's decision to run for a third term, a move critics say violates the constitution. REUTERS/Thomas Mukoya TPX IMAGES OF THE DAY

A worker assembles an air conditioner inside the Daikin Industries Ltd. plant at Neemrana in the desert Indian state of Rajasthan, October 1, 2014. The desert state of Rajasthan, derided as a poverty-stricken laggard, has taken the lead on structural reforms that, their backers argue, could also help Asia's No.3 economy as a whole to attract business and employ a fast-growing workforce. Chief Minister Vasundhara Raje has shaken up labor, land and welfare policies with such verve Prime Minister Narendra Modi, a party ally, has even poached her chief of staff and put him in charge of the federal finance ministry. Picture taken October 1, 2014. To match Insight INDIA-RAJASTHAN/ REUTERS/Adnan Abidi (INDIA - Tags: POLITICS BUSINESS INDUSTRIAL) 

Air conditioning units of the hotel that Reuters photographers are staying in are pictured in Salvador July 2, 2014. In a project called "On The Sidelines" Reuters photographers share pictures showing their own quirky and creative view of the 2014 World Cup in Brazil. REUTERS/Sergio Moraes (BRAZIL - Tags: SPORT SOCCER WORLD CUP SOCIETY MEDIA TRAVEL) 

Brides and grooms sit next to an air conditioner as they wait for the start of a mass wedding ceremony at Ramlila ground in New Delhi June 15, 2014. A total of 92 physically challenged couples of all religions from across India took their wedding vows on Sunday during the mass wedding ceremony organised by a non-governmental organisation (NGO), organisers said. REUTERS/Adnan Abidi (INDIA - Tags: SOCIETY) 

Senior Lieutenant and flight captain Vu Duc Long (R) looks at a map of a search area on iPad while flying a Vietnam Air Force AN-26 aircraft, during a mission to find the missing Malaysia Airlines flight MH370, off Con Dao island, March 14, 2014. A new search area for Malaysia Airlines Flight 370 may be opened in the Indian Ocean, the White House said, significantly broadening the potential location of the plane, which disappeared nearly a week ago with 239 people on board. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

Chinese journalist Su Dan looks out from a Vietnam Air Force AN-26 aircraft during a mission to find the missing Malaysia Airlines flight MH370, off Con Dao island, March 14, 2014. A new search area for Malaysia Airlines Flight 370 may be opened in the Indian Ocean, the White House said, significantly broadening the potential location of the plane, which disappeared nearly a week ago with 239 people on board. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MEDIA) 

Military officer Nguyen Tran looks out from a Vietnam Air Force AN-26 aircraft during a mission to find the missing Malaysia Airlines flight MH370, off Con Dao island, March 14, 2014. A new search area for Malaysia Airlines Flight 370 may be opened in the Indian Ocean, the White House said, significantly broadening the potential location of the plane, which disappeared nearly a week ago with 239 people on board. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY TPX IMAGES OF THE DAY) 

Senior Lieutenant Phung Truong Son takes notes while working within the cockpit of a Vietnam Air Force AN-26 aircraft during a mission to find the missing Malaysia Airlines flight MH370, off Con Dao island, March 14, 2014. A new search area for Malaysia Airlines Flight 370 may be opened in the Indian Ocean, the White House said, significantly broadening the potential location of the plane, which disappeared nearly a week ago with 239 people on board. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

Malaysian and Chinese journalists look for the missing Malaysia Airlines flight MH370, during a mission on a Vietnam Air Force AN-26 aircraft, off Con Dao island March 13, 2014. A search by two Vietnamese aircraft responding to information provided by a Chinese satellite has failed to locate objects suspected of being wreckage from a missing Malaysian airliner, a Reuters journalist on board a search plane said on Thursday. Aircraft repeatedly circled the area over the South China Sea but were unable to detect any objects, said the journalist, who flew aboard a Antonov 26 cargo plane for three hours. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY MEDIA) 

Clouds are seen outside a Vietnam Air Force AN-26 aircraft during a mission to find the missing Malaysia Airlines flight MH370, off Con Dao island, March 13, 2014. A search by two Vietnamese aircraft responding to information provided by a Chinese satellite has failed to locate objects suspected of being wreckage from a missing Malaysian airliner, a Reuters journalist on board a search plane said on Thursday. Aircraft repeatedly circled the area over the South China Sea but were unable to detect any objects, said the journalist, who flew aboard a Antonov 26 cargo plane for three hours. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

A Malaysian journalist looks for the missing Malaysia Airlines flight MH370, during a mission on a Vietnam Air Force aircraft AN-26, off Con Dao island, March 13, 2014. A search by two Vietnamese aircraft responding to information provided by a Chinese satellite has failed to locate objects suspected of being wreckage from a missing Malaysian airliner, a Reuters journalist on board a search plane said on Thursday. Aircraft repeatedly circled the area over the South China Sea but were unable to detect any objects, said the journalist, who flew aboard a Antonov 26 cargo plane for three hours. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY MEDIA) 

Search area is seen on an iPad of a military officer onboard a Vietnam Air Force AN-26 aircraft, during a mission to find the missing Malaysia Airlines flight MH370, off Con Dao island, March 13, 2014. A search by two Vietnamese aircraft responding to information provided by a Chinese satellite has failed to locate objects suspected of being wreckage from a missing Malaysian airliner, a Reuters journalist on board a search plane said on Thursday. Aircraft repeatedly circled the area over the South China Sea but were unable to detect any objects, said the journalist, who flew aboard a Antonov 26 cargo plane for three hours. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

A military officer works on a map onboard a Vietnam Air Force AN-26 aircraft during a mission to find the missing Malaysia Airlines flight MH370, off Con Dao island, March 13, 2014. A search by two Vietnamese aircraft responding to information provided by a Chinese satellite has failed to locate objects suspected of being wreckage from a missing Malaysian airliner, a Reuters journalist on board a search plane said on Thursday. Aircraft repeatedly circled the area over the South China Sea but were unable to detect any objects, said the journalist, who flew aboard a Antonov 26 cargo plane for three hours. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

Military officer and pilot Hoang Van Phong works within cockpit of a Vietnam Air Force AN-26 aircraft during a mission to find the missing Malaysia Airlines flight MH370, off Con Dao island March 13, 2014. A search by two Vietnamese aircraft responding to information provided by a Chinese satellite has failed to locate objects suspected of being wreckage from a missing Malaysian airliner, a Reuters journalist on board a search plane said on Thursday. Aircraft repeatedly circled the area over the South China Sea but were unable to detect any objects, said the journalist, who flew aboard a Antonov 26 cargo plane for three hours. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

Military officer Pham Tuan Minh looks through a window of a Vietnam Air Force AN-26 aircraft during a mission to find the missing Malaysia Airlines flight MH370, off Con Dao island March 13, 2014. A search by two Vietnamese aircraft responding to information provided by a Chinese satellite has failed to locate objects suspected of being wreckage from the missing Malaysian airliner, a Reuters journalist on board a search plane said on Thursday. Aircraft repeatedly circled the area over the South China Sea but were unable to detect any objects, said the journalist, who flew aboard a Antonov 26 cargo plane for three hours. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

Clouds hover outside the window of a Vietnam Air Force aircraft AN-26 during a mission to find the missing Malaysia Airlines flight MH370, that disappeared from radar screens in the early hours of Saturday, off Con Dao island March 12, 2014. The search for a missing Malaysia Airlines jetliner expanded on Wednesday to cover a swathe of Southeast Asia, from the South China Sea to India's territorial waters, with authorities no closer to explaining what happened to the plane or the 239 people on board. Vietnam briefly scaled down search operations in waters off its southern coast, saying it was receiving scanty and confusing information from Malaysia over where the aircraft may have headed after it lost contact with air traffic control. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

An unidentified search and rescue ship is seen through the window of of a Vietnam Air Force aircraft AN-26 during a mission to find the missing Malaysia Airlines flight MH370, that disappeared from radar screens in the early hours of Saturday, off Con Dao island March 12, 2014. The search for a missing Malaysia Airlines jetliner expanded on Wednesday to cover a swathe of Southeast Asia, from the South China Sea to India's territorial waters, with authorities no closer to explaining what happened to the plane or the 239 people on board. Vietnam briefly scaled down search operations in waters off its southern coast, saying it was receiving scanty and confusing information from Malaysia over where the aircraft may have headed after it lost contact with air traffic control. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

An unidentified search and rescue ship is seen through the window of a Vietnam Air Force aircraft AN-26 during a mission to find the missing Malaysia Airlines flight MH370, that disappeared from radar screens in the early hours of Saturday, off Con Dao island March 12, 2014. The search for a missing Malaysia Airlines jetliner expanded on Wednesday to cover a swathe of Southeast Asia, from the South China Sea to India's territorial waters, with authorities no closer to explaining what happened to the plane or the 239 people on board. Vietnam briefly scaled down search operations in waters off its southern coast, saying it was receiving scanty and confusing information from Malaysia over where the aircraft may have headed after it lost contact with air traffic control. REUTERS/Kham (VIETNAM - Tags: TRANSPORT MILITARY DISASTER) 

Military officer Dang Xuan Hung looks out a window of a Vietnam Air Force aircraft AN-26 during a mission to find the missing Malaysia Airlines flight MH370, that disappeared from radar screens in the early hours of Saturday, off Con Dao island March 12, 2014. The search for a missing Malaysia Airlines jetliner expanded on Wednesday to cover a swathe of Southeast Asia, from the South China Sea to India's territorial waters, with authorities no closer to explaining what happened to the plane or the 239 people on board. Vietnam briefly scaled down search operations in waters off its southern coast, saying it was receiving scanty and confusing information from Malaysia over where the aircraft may have headed after it lost contact with air traffic control. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

A woman looks for the missing Malaysia Airlines flight MH370, that disappeared from radar screens in the early hours of Saturday, off Con Dao island March 12, 2014. The search for a missing Malaysia Airlines jetliner expanded on Wednesday to cover an area stretching from China to the Andaman Sea, with authorities no closer to explaining what happened to the plane or the 239 people on board. Vietnam briefly scaled down search operations in waters off its southern coast, saying it was receiving scanty and confusing information from Malaysia over where the aircraft may have headed after it lost contact with air traffic control. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

Clouds hover outside the window of a Vietnam Air Force aircraft AN-26 during a mission to find the missing Malaysia Airlines flight MH370, that disappeared from radar screens in the early hours of Saturday, off Con Dao island March 12, 2014. The search for a missing Malaysia Airlines jetliner expanded on Wednesday to cover a swathe of Southeast Asia, from the South China Sea to India's territorial waters, with authorities no closer to explaining what happened to the plane or the 239 people on board. Vietnam briefly scaled down search operations in waters off its southern coast, saying it was receiving scanty and confusing information from Malaysia over where the aircraft may have headed after it lost contact with air traffic control. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

Military officer Dang Xuan Hung looks out a window of a Vietnam Air Force aircraft AN-26 during a mission to find the missing Malaysia Airlines flight MH370, that disappeared from radar screens in the early hours of Saturday, off Con Dao island March 12, 2014. The search for a missing Malaysia Airlines jetliner expanded on Wednesday to cover a swathe of Southeast Asia, from the South China Sea to India's territorial waters, with authorities no closer to explaining what happened to the plane or the 239 people on board. Vietnam briefly scaled down search operations in waters off its southern coast, saying it was receiving scanty and confusing information from Malaysia over where the aircraft may have headed after it lost contact with air traffic control. REUTERS/Kham (VIETNAM - Tags: TRANSPORT MILITARY DISASTER) 

A Vietnam Air Force aircraft AN-26 flies over Con Dao island during a mission to find the missing Malaysia Airlines flight MH370, March 12, 2014. Vietnam briefly scaled down search operations in waters off its southern coast, saying it was receiving scanty and confusing information from Malaysia over where the aircraft may have headed after it lost contact with air traffic control. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

Military officers work in the cockpit of a Vietnam Air Force AN-26 aircraft during a mission to find the missing Malaysia Airlines flight MH370, that disappeared from radar screens in the early hours of Saturday, off Con Dao island March 12, 2014. The search for the missing Malaysia Airlines Boeing 777 jetliner expanded on Wednesday to cover a swathe of Southeast Asia, from the South China Sea to India's territorial waters, with authorities no closer to explaining what happened to the plane or the 239 people on board. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

Military officer Ngo Ngoc Dong works in the cockpit of a Vietnam Air Force AN-26 aircraft during a mission to find the missing Malaysia Airlines flight MH370, that disappeared from radar screens in the early hours of Saturday, off Con Dao island March 12, 2014. The search for the missing Malaysia Airlines Boeing 777 jetliner expanded on Wednesday to cover a swathe of Southeast Asia, from the South China Sea to India's territorial waters, with authorities no closer to explaining what happened to the plane or the 239 people on board. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

Deputy Commander of Vietnam 918 Air Brigade, Senior Lieutenant Nguyen Tri Thuc (R) looks for the missing Malaysia Airlines flight MH370, that disappeared from radar screens in the early hours of Saturday, off Con Dao island March 12, 2014. The search for the missing Malaysia Airlines Boeing 777-200 jetliner expanded on Wednesday to cover a swathe of Southeast Asia, from the South China Sea to India's territorial waters, with authorities no closer to explaining what happened to the plane or the 239 people on board. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

Military officer Ngo Ngoc Dong is seen reflected in a map on an iPad showing the path of the Vietnam Air Force search and rescue AN-26 aircraft that he is travelling on, during a mission to find Malaysia Airlines flight MH370 that disappeared from radar screens in the early hours of Saturday, off Con Dao island March 12, 2014. The search for the missing Malaysia Airlines Boeing 777 jetliner expanded on Wednesday to cover an area stretching from China to the Andaman Sea, with authorities no closer to explaining what happened to the plane or the 239 people on board. Vietnam briefly scaled down search operations in waters off its southern coast, saying it was receiving scanty and confusing information from Malaysia over where the aircraft may have headed after it lost contact with air traffic control. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY SCIENCE TECHNOLOGY) 

Military officer Dang Xuan Hung looks through a window of a Vietnam Air Force AN-26 aircraft during a mission to find Malaysia Airlines flight MH370 that disappeared from radar screens in the early hours of Saturday, off Con Dao island March 12, 2014. The search for the missing Malaysia Airlines Boeing 777 expanded on Wednesday to cover an area stretching from China to the Andaman Sea, with authorities no closer to explaining what happened to the plane or the 239 people on board. Vietnam briefly scaled down search operations in waters off its southern coast, saying it was receiving scanty and confusing information from Malaysia over where the aircraft may have headed after it lost contact with air traffic control. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

Deputy Commander of Vietnam 918 Air Brigade Senior Lieutenant Nguyen Tri Thuc (R) looks out for the missing Malaysia Airlines flight MH370, that disappeared from radar screens in the early hours of Saturday, off Con Dao island March 12, 2014. The search for a missing Malaysia Airlines jetliner expanded on Wednesday to cover an area stretching from China to the Andaman Sea, with authorities no closer to explaining what happened to the plane or the 239 people on board. Vietnam briefly scaled down search operations in waters off its southern coast, saying it was receiving scanty and confusing information from Malaysia over where the aircraft may have headed after it lost contact with air traffic control. REUTERS/Kham (VIETNAM - Tags: DISASTER TRANSPORT MILITARY) 

Revelers dressed as Santa Claus walk during snowfall while taking part in SantaCon in New York December 14, 2013. Another round of wintry weather battered the U.S. Midwest and East Coast on Saturday as a massive storm spanning more than 1,000 miles dumped heavy snow, snarling air traffic and making roads treacherous. REUTERS/Eduardo Munoz (UNITED STATES - Tags: SOCIETY ENVIRONMENT) 

A homeless person smokes a cigarette on the pavement as revelers dressed as Santa Claus for the SantaCon event walk past during snowfall in New York December 14, 2013. Another round of wintry weather battered the U.S. Midwest and East Coast on Saturday as a massive storm spanning more than 1,000 miles dumped heavy snow, snarling air traffic and making roads treacherous. REUTERS/Eduardo Munoz (UNITED STATES - Tags: SOCIETY ENVIRONMENT POVERTY TPX IMAGES OF THE DAY) 

Revelers dressed as Santa Claus as part of SantaCon try to catch a taxi in New York December 14, 2013. Another round of wintry weather battered the U.S. Midwest and East Coast on Saturday as a massive storm spanning more than 1,000 miles dumped heavy snow, snarling air traffic and making roads treacherous. REUTERS/Eduardo Munoz (UNITED STATES - Tags: SOCIETY ENVIRONMENT TRANSPORT) 

Revelers dressed as Santa Claus walk during snowfall for the SantaCon event in New York December 14, 2013. Another round of wintry weather battered the U.S. Midwest and East Coast on Saturday as a massive storm spanning more than 1,000 miles dumped heavy snow, snarling air traffic and making roads treacherous. REUTERS/Eduardo Munoz (UNITED STATES - Tags: SOCIETY ENVIRONMENT) 

Revelers dressed as Santa Claus walk during snowfall for the SantaCon event in New York December 14, 2013. Another round of wintry weather battered the U.S. Midwest and East Coast on Saturday as a massive storm spanning more than 1,000 miles dumped heavy snow, snarling air traffic and making roads treacherous. REUTERS/Eduardo Munoz (UNITED STATES - Tags: SOCIETY ENVIRONMENT) 

An elderly woman rests in her room at a retirement home in Nice July 26, 2013. As summer temperatures continue to rise, French local authorities launched a heat wave alert for the southern part of the country during the weekend. REUTERS/Eric Gaillard (FRANCE - Tags: SOCIETY HEALTH) 

A man sits beside portable air coolers at a mosque inside the shrine of Sufi Saint Nizamuddin Auliya after evening prayers in New Delhi May 30, 2013. REUTERS/Anindito Mukherjee (INDIA - Tags: RELIGION SOCIETY) 

Lebanon's Hezbollah leader Sayyed Hassan Nasrallah speaks on television as a barber shaves a customer at a men's hairdresser shop in Beirut, April 30, 2013. REUTERS/Mohamed Azakir (LEBANON - Tags: POLITICS) 

An Ultra-Orthodox Jewish boy watches a protest against a new conscription law that might force ultra-Orthodox Jews to serve in the army, in Jerusalem's Mea Shearim neighbourhood June 25, 2012. Israel's Supreme Court ruled in February that the so-called "Tal Law", a 2002 measure that effectively shielded ultra-Orthodox communities from military service, was unconstitutional. The government, faced with the court's ruling, must now either revamp the law, which will expire in August, or approve new legislation.REUTERS/Ronen Zvulun (JERUSALEM - Tags: RELIGION MILITARY POLITICS CIVIL UNREST) 

Republican presidential candidate and former Massachusetts governor Mitt Romney greets supporters at the end of a campaign rally at Con-Air Industries Inc. in Orlando, Florida, June 12, 2012. REUTERS/Steve Nesius (UNITED STATES - Tags: ELECTIONS POLITICS) 

Republican presidential candidate and former Massachusetts governor Mitt Romney addresses supporters during a campaign rally at Con-Air Industries Inc., in Orlando, Florida, June 12, 2012. REUTERS/Steve Nesius (UNITED STATES - Tags: ELECTIONS POLITICS) 

Republican presidential candidate and former Massachusetts governor Mitt Romney addresses supporters during a campaign rally at Con-Air Industries Inc., in Orlando, Florida, June 12, 2012. REUTERS/Steve Nesius (UNITED STATES - Tags: ELECTIONS POLITICS) 

Republican presidential candidate and former Massachusetts governor Mitt Romney addresses supporters during a campaign rally at Con-Air Industries Inc. in Orlando, Florida, June 12, 2012. REUTERS/Steve Nesius (UNITED STATES - Tags: ELECTIONS POLITICS) 

Republican presidential candidate and former Massachusetts governor Mitt Romney greets supporters at the end of a campaign rally at Con-Air Industries Inc. in Orlando, Florida, June 12, 2012. REUTERS/Steve Nesius (UNITED STATES - Tags: POLITICS ELECTIONS) 

Republican presidential candidate and former Massachusetts governor Mitt Romney addresses supporters during a campaign rally at Con-Air Industries Inc., in Orlando, Florida, June 12, 2012. REUTERS/Steve Nesius (UNITED STATES - Tags: ELECTIONS POLITICS) 

Republican presidential candidate and former Massachusetts governor Mitt Romney greets supporters at the end of a campaign rally at Con-Air Industries Inc. in Orlando, Florida, June 12, 2012. REUTERS/Steve Nesius (UNITED STATES - Tags: ELECTIONS POLITICS) 

Republican presidential candidate and former Massachusetts governor Mitt Romney addresses supporters during a campaign rally at Con-Air Industries Inc., in Orlando, Florida, June 12, 2012. REUTERS/Steve Nesius (UNITED STATES) 

Supporters applaud Republican presidential candidate and former Massachusetts governor Mitt Romney during a campaign rally at Con-Air Industries Inc., in Orlando, Florida, June 12, 2012. REUTERS/Steve Nesius (UNITED STATES - Tags: POLITICS ELECTIONS) 

Republican presidential candidate and former Massachusetts governor Mitt Romney addresses supporters during a campaign rally at Con-Air Industries Inc., in Orlando, Florida, June 12, 2012. REUTERS/Steve Nesius (UNITED STATES - Tags: POLITICS ELECTIONS) 

Republican presidential candidate and former Massachusetts governor Mitt Romney greets supporters during a campaign rally at Con-Air Industries, Inc., in Orlando, Florida, June 12, 2012. REUTERS/Steve Nesius (UNITED STATES - Tags: POLITICS ELECTIONS)