Actor and comedian Bill Cosby (C) arrives with attorney Monique Pressley (R) for his arraignment on sexual assault charges at the Montgomery County Courthouse in Elkins Park, Pennsylvania December 30, 2015. Cosby was charged on Wednesday with sexually assaulting a woman in 2004 after plying her with drugs and alcohol, marking the first criminal case against a once-beloved performer whose father-figure persona was already left tattered by dozens of misconduct allegations. REUTERS/Mark Makela 

A TV technician talks with his newsroom about the signal strength a device is transmitting from the news conference room on 39th floor of the Toshiba head office as the sun sets over Tokyo, Japan, December 21, 2015. Japan's Toshiba Corp said on Monday it will cut nearly 7,000 consumer electronics jobs after a $1.3 billion accounting scandal, in an overhaul that will streamline the sprawling conglomerate into a company focused on chips and nuclear energy. REUTERS/Thomas Peter TPX IMAGES OF THE DAY 

Football Soccer - River Plate v FC Barcelona - FIFA Club World Cup Final - International Stadium Yokohama, Yokohama - 20/12/15
FC Barcelona celebrate winning the FIFA Club World Cup Final with the trophy
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A policeman detains a demonstrator during a protest against the release of a juvenile rape convict, in New Delhi, India, December 20, 2015. The youngest of six people convicted of the 2012 gang rape of a woman, in a case that shocked India, was freed on Sunday, a lawyer said, after a court refused to extend his three-year sentence. The case turned a global spotlight on the treatment of women in India, where police say a rape is reported every 20 minutes, and the sentence sparked debate over whether the country is too soft on young offenders. REUTERS/Adnan Abidi 

Football Soccer - Chelsea v Sunderland - Barclays Premier League - Stamford Bridge - 19/12/15
Chelsea fans with a banner for Jose Mourinho
Reuters / Dylan Martinez
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A young girl (L) reacts as a man helps up the Rev. Jesse Jackson after he tripped over a cable and fell to the floor while arriving to address graduates at the winter commencement exercises at Morgan State University in Baltimore, December 18, 2015. Jackson was uninjured from the fall and went on to address the graduates as planned. REUTERS/Bryan Woolston TPX IMAGES OF THE DAY

Martin Shkreli (C), chief executive officer of Turing Pharmaceuticals and KaloBios Pharmaceuticals Inc, departs U.S. Federal Court after an arraignment following his being charged in a federal indictment filed in Brooklyn relating to his management of hedge fund MSMB Capital Management and biopharmaceutical company Retrophin Inc. in New York December 17, 2015. REUTERS/Lucas Jackson 

Droid BB-8 arrives at the world premiere of the film "Star Wars: The Force Awakens" in Hollywood, California, December 14, 2015. REUTERS/Mario Anzuoni 

Hagop Manushian, a Syrian refugee who arrived earlier in the morning is reunited with his granddaughter Rita at the Armenian Community Centre of Toronto in Toronto, December 11, 2015. REUTERS/Mark Blinch TPX IMAGES OF THE DAY 

A law enforcement officer looks over the evidence near the remains of a SUV involved in the Wednesdays attack is shown in San Bernardino, California December 3, 2015. Authorities on Thursday were working to determine why a man and a woman opened fire at a holiday party of his co-workers in Southern California, killing 14 people and wounding 17 in an attack that appeared to have been planned. REUTERS/Mario Anzuoni

The son of former All Black player Jonah Lomu, Dhyreille Lomu, walks behind the hearse containing his father's casket as it leaves a memorial service at Eden Park in Auckland, New Zealand November 30, 2015. REUTERS/Hannah Peters/Pool TPX IMAGES OF THE DAY

A woman swims in a partially frozen lake at a park in Shenyang, Liaoning province, China, November 30, 2015. REUTERS/Sheng Li TPX IMAGES OF THE DAY

Nuns holding balloons prepare to march during a rally ahead of the 2015 Paris Climate Change Conference, known as the COP21, in central Seoul, South Korea, November 29, 2015. REUTERS/Kim Hong-Ji 

EDITORIAL USE ONLY - NO COMMERCIAL OR BOOK SALES. A stranded migrant reacts in front of a Macedonian police cordon as they clash after a migrant was electrocuted and badly burned when he climbed on top of a train wagon, near the village of Idomeni, Greece, November 28, 2015. REUTERS/Yannis Behrakis TPX IMAGES OF THE DAY 

Pope Francis waves as he arrives at the Kangemi slums on the outskirts of Kenya's capital Nairobi, November 27, 2015. REUTERS/Goran Tomasevic TPX IMAGES OF THE DAY

EDITORIAL USE ONLY - NO COMMERCIAL OR BOOK SALES. Stranded Iranian migrants on hunger strike, some with their lips sewn together, sit on rail tracks at the borderline between Greece and Macedonia near the Greek village of Idomeni November 25, 2015. European countries are stretched to their limits in the refugee crisis and cannot take in any more new arrivals, French Prime Minister Manuel Valls was quoted as saying in a German newspaper on Wednesday. REUTERS/Yannis Behrakis TPX IMAGES OF THE DAY 

An injured man, who according to witnesses was pushed from a moving vehicle, spits blood as he lies on the side of a road in Nairobi, Kenya, October 30, 2015. The man could hardly stand due to his injuries and appeared to be intoxicated. Around 2 million people live in the shantytowns packed in around Kenya's capital. Crime is high amid chronic unemployment levels, while basic services and sanitation are scarce. Residents try to make the best of things, eking out a living and picking up work where they can. REUTERS/Siegfried Modola TPX IMAGES OF THE DAYPICTURE 14 OF 34 FOR WIDER IMAGE STORY "A STRUGGLE WITH POVERTY AND CRIME IN NAIROBI'S SHANTYTOWNS" SEARCH "KOROGOCHO" FOR ALL IMAGES

Protestors including Lamon Reccord, 16, confront police during a demonstration in response to the fatal shooting of Laquan McDonald in Chicago, Illinois November 25, 2015. Laquan McDonald, 17, was fatally shot by Jason Van Dyke, a Chicago police officer, in October 2014. REUTERS/Andrew Nelles TPX IMAGES OF THE DAY

EDITORIAL USE ONLY - NO COMMERCIAL OR BOOK SALES. A stranded Iranian migrant has his lips sewn as he sits on rail tracks at the border between Greece and Macedonia near the Greek village of Idomeni November 23, 2015. A dozen Iranian migrants are on hunger-strike for a second day following the denial of passage by Macedonian authorities. Balkan countries have begun filtering the flow of migrants to Europe, granting passage to those fleeing conflict in the Middle East and Afghanistan but turning back others from Africa and Asia, the United Nations and Reuters witnesses said. REUTERS/Yannis Behrakis TPX IMAGES OF THE DAY 

A mourner attends the funeral for Israeli woman Hadar Buchris, 21, in Jerusalem, November 23, 2015. On Sunday in the Etzion bloc of Jewish settlements, a Palestinian stabbed and killed Buchris, an Israeli police spokesman said. A military spokesman said the assailant was shot and killed. REUTERS/Ronen Zvulun TPX IMAGES OF THE DAY

A girl, who was injured by what activists said was shelling by forces loyal to Syria's President Bashar al-Assad, stands at the entrance of her house in the Douma neighborhood of Damascus, Syria November 22, 2015. Picture taken November 22, 2015. REUTERS/Bassam Khabieh TPX IMAGES OF THE DAY

Armed vigilantes patrol in the center of Bujumbura, Burundi, November 20, 2015. Picture taken November 20, 2015. REUTERS/Goran Tomasevic TPX IMAGES OF THE DAY

EDITORIAL USE ONLY - NO COMMERCIAL OR BOOK SALES. A refugee keeps warm by an open fire at a make-shift camp close to a registration center on the Greek island of Lesbos November 18, 2015. UNHCR has appealed to the Greek authorities to create additional accommodation and reception capacity as a matter of urgency since there are currently only 2,800 reception places for the 12,000 refugees and migrants currently on the island. REUTERS/Yannis Behrakis TPX IMAGES OF THE DAY 

REFILING CORRECTING DATE Richard Dowlin (L), 35, and Cormac Gollogly, 35, are married by registrar Mary Claire Heffernan in the South Clonmel Community Care Centre in County Tipperary, November 17, 2015. Dowlin and Gollogly are the first gay couple to marry in Ireland. REUTERS/Cathal McNaughton TPX IMAGES OF THE DAY 

Mauricio Macri, presidential candidate for the Cambiemos (Let's Change) alliance, kisses his wife Juliana Awada as Argentina's ruling party candidate Daniel Scioli watches at the end of the presidential debate ahead of November 22 run-off election in Buenos Aires, November 15, 2015. REUTERS/Marcos Brindicci TPX IMAGES OF THE DAY

People observe a minute of silence at the Trocadero in front the Eiffel Tower to pay tribute to the victims of the series of deadly attacks on Friday in Paris, France, November 16, 2015. REUTERS/Philippe Wojazer TPX IMAGES OF THE DAY 

The Eiffel Tower is lit with the blue, white and red colours of the French flag in Paris, France, November 16, 2015, to pay tribute to the victims of a series of deadly attacks on Friday in the French capital. REUTERS/Benoit Tessier 

ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF INJURY OR DEATH French fire brigade members aid an injured individual near the Bataclan concert hall following fatal shootings in Paris, France, November 13, 2015. At least 30 people were killed in attacks in Paris and a hostage situation was under way at a concert hall in the French capital, French media reported on Friday. REUTERS/Christian Hartmann TPX IMAGES OF THE DAY

A girl looks at a bird fishing in the sea in Cancun, October 14, 2015. Cancun's transformation in the 1970s from a small Caribbean fishing village into a strip of nightclubs and high-rise hotels has reduced biodiversity and polluted water resources as infrastructure struggles to keep up. REUTERS/Edgard Garrido TPX IMAGES OF THE DAYPICTURE 28 OF 34 FOR WIDER IMAGE STORY 'EARTHPRINTS: CANCUN'SEARCH 'EARTHPRINTS CANCUN' FOR ALL IMAGES TPX IMAGES OF THE DAY 

India's Prime Minister Narendra Modi holds up his hands in a "namaste", an Indian gesture of greeting, as he arrives at Heathrow Airport for a three-day official visit, in London, November 12, 2015. REUTERS/Jonathan Brady/Pool TPX IMAGES OF THE DAY

Canada's Prime Minister Justin Trudeau and his wife Sophie share a moment during Remembrance Day ceremonies at the National War Memorial in Ottawa, Canada November 11, 2015. REUTERS/Chris Wattie 

Britain's Prince Charles watches on as Camilla, Duchess of Cornwall holds a knife as they visit Seppeltsfield Winery in South Australia's Barossa Valley, November 10, 2015. REUTERS/Daniel Kalisz/Pool TPX IMAGES OF THE DAY

Debris is pictured in Bento Rodigues district which was covered with mud after a dam owned by Vale SA and BHP Billiton Ltd burst, in Mariana, Brazil, November 10, 2015. As despair turns to anger over a deadly dam burst at a Brazilian mine, lawmakers pushed on Tuesday for tougher regulations in a new mining code and iron ore giant Vale SA came under pressure to help mourning families and contain the environmental impact. In five days of rescue efforts in towns ravaged by the massive mudflow, six bodies have been found and 22 people are still missing, making it one of the worst mining disasters in Brazil's history. REUTERS/Ricardo Moraes TPX IMAGES OF THE DAY

A long exposure photo shows thousands of lifejackets left by migrants and refugees, piled up at a garbage dump site on the Greek island of Lesbos, November 9, 2015. Since the start of the year, over 590,000 people have crossed into Greece, the frontline of a massive westward population shift from war-ravaged Syria and beyond. REUTERS/Alkis Konstantinidis TPX IMAGES OF THE DAY

Cows are seen in this aerial view on a deforested plot of the Amazon rainforest near Rio Pardo, in the district of Porto Velho, Rondonia State, Brazil, September 3, 2015. The town of Rio Pardo, a settlement of about 4,000 people in the Amazon rainforest, rises where only jungle stood less than a quarter of a century ago. Loggers first cleared the forest followed by ranchers and farmers, then small merchants and prospectors. Brazil's government has stated a goal of eliminating illegal deforestation, but enforcing the law in remote corners like Rio Pardo is far from easy. REUTERS/Nacho Doce TPX IMAGES OF THE DAYPICTURE 3 OF 40 FOR WIDER IMAGE STORY "EARTHPRINTS: RIO PARDO" SEARCH"EARTHPRINTS PARDO" FOR ALL IMAGES

A Palestinian woman paints a mural, depicting a masked Palestinian holding a knife, in support of Palestinians committing stabbing attacks against Israelis, in Rafah in the southern Gaza Strip November 3, 2015. REUTERS/Ibraheem Abu Mustafa TPX IMAGES OF THE DAY

Big wave surfer Sebastian Steudtner of Germany drops in on a large wave at Praia do Norte in Nazare, Portugal November 1, 2015. The Praia do Norte beach has become a famous beach for big wave surfers around the world since Hawaiian surfer Garrett McNamara got a world record for the largest wave surfed in 2011. REUTERS/Rafael Marchante TPX IMAGES OF THE DAY

Mercedes Formula One driver Nico Rosberg of Germany celebrates after winning the Mexican F1 Grand Prix at Autodromo Hermanos Rodriguez in Mexico City, November 1, 2015. REUTERS/Edgard Garrido TPX IMAGES OF THE DAY

Captain Richie McCaw of New Zealand holds up the Webb Ellis Cup after winning the Rugby World Cup Final against Australia at Twickenham in London, October 31, 2015. New Zealand won by 34-17. REUTERS/Toby Melville TPX IMAGES OF THE DAY

A boy displays the winners' medal given to him by Sonny Bill Williams of New Zealand after the Rugby World Cup Final against Australia at Twickenham in London, October 31, 2015. New Zealand won by 34-17. REUTERS/Henry Browne

A surfer wipes out while trying to ride a breaking wave during high tide and high surf in Cardiff, California October 27, 2015. REUTERS/Mike Blake TPX IMAGES OF THE DAY

Nestor Abad of Spain falls from the High Bar during the men's qualification for the World Gymnastics Championships at the Hydro arena in Glasgow, Scotland on October 26, 2015. REUTERS/Phil Noble TPX IMAGES OF THE DAY

Mercedes Formula One driver Lewis Hamilton of Britain leaps off of his car after winning the U.S. F1 Grand Prix at the Circuit of The Americas in Austin, Texas October 25, 2015. Hamilton clinched his third Formula One world championship on Sunday after winning a thrilling and unpredictable U.S. Grand Prix for Mercedes. REUTERS/Adrees Latif

An aerial view shows French gendarme investigators in protective suits who work the day after the accident on the road where a coach and a truck (R) crashed near Puisseguin, France, October 24, 2015. At least 41 people on a bus carrying elderly day-trippers were killed early on Friday when the bus hit a truck head-on and caught fire, in France's worst road crash in more than 30 years.Two people, including a young boy, died in the truck. A total of eight people were injured. The bus and the truck collided near a forested bend on a two-lane road cut into a hillside near Puisseguin in the Gironde region, about 60 km (35 miles) east of Bordeaux. REUTERS/Regis Duvignau

South Africa players compete in a scrum with New Zealand players during their Rugby World Cup Semi-Final match at Twickenham in London, Britain, October 24, 2015. REUTERS/Russell Cheyne TPX IMAGES OF THE DAY 

The moon is seen over the Roman pillars of the Temple of Hercules as it is lit up in blue to mark the 70th anniversary of the United Nations at the Citadel in Amman, Jordan, October 24, 2015. REUTERS/Muhammad Hamed TPX IMAGES OF THE DAY

People portraying characters from the film "Back to the Future Part II", Toby Fulp, 38, (L) and Tommy Mack, 45, stand outside the Burger King featured in the movie, in Los Angeles, California, United States, October 21, 2015. Today marks the day that the movie's main character, Marty McFly, travelled to the future in the 1989 "Back to the Future" sequel. REUTERS/Lucy Nicholson TPX IMAGES OF THE DAY

A park ranger surveys damage caused by flooding at Lake Nakuru National Park, Kenya, August 18, 2015. The Park is home to some of the world's most majestic wildlife including lions, rhinos, zebras and flamingos. The scenery is stunning, from forests of acacia trees to animals congregating at the shores to drink. UNESCO says that with rapid population growth nearby, the area is under "considerable threat from surrounding pressures," particularly deforestation, a contributing factor in floods. REUTERS/Joe Penney TPX IMAGES OF THE DAYPICTURE 7 OF 31 FOR WIDER IMAGE STORY "EARTHPRINTS: LAKE NAKURU" SEARCH "EARTHPRINTS NAKURU" FOR ALL IMAGES TPX IMAGES OF THE DAY

A woman from Syria looks on as she waits to cross the border with Croatia near the village of Berkasovo, Serbia, October 21, 2015. REUTERS/Marko Djurica TPX IMAGES OF THE DAY 

A child collects a ball beside an artificial pitch at the Football Centre for Hope in Cape Town's Khayelitsha township, June 29, 2015. The centre, one of several built by FIFA in South Africa in the run-up to the 2010 Soccer World Cup, aims to develop the sport and tackle youth issues in the impoverished township. While some criticise FIFA’s flow of cash to Africa and other developing regions as a tool that departing leader Sepp Blatter used to build his electoral power base, many nations depend on that cash from Zurich’s coffers to help fund national soccer facilities in the absence of sponsors or government support. And as soccer’s world governing body, engulfed in the worst crisis in its 111-year history, focuses on cleaning up its house, there are those within the sport who fear the emphasis on internal reform could undermine FIFA’s commitment to international development programmes. That, they say, must not happen. REUTERS/Mike Hutchings TPX IMAGES OF THE DAY PICTURE 2 OF 31 FOR WIDER IMAGE STORY "FIFA'S AFRICAN GRASSROOTS". SEARCH "AFRICAN GRASSROOTS" FOR ALL IMAGES 

FCA Chief Executive and Ferrari Chairman Sergio Marchionne (2nd R) rings the opening bell above the floor of the NYSE for Ferrari's IPO, October 21, 2015. Shares in Ferrari rose 15 percent to $60 in the luxury group's Wall Street debut on Wednesday after it priced its share offering at the top end of an indicated range as investors vied to grab a slice of the maker of sportscars for the super rich. REUTERS/Lucas Jackson TPX IMAGES OF THE DAY

EDITORIAL USE ONLY - NO COMMERCIAL OR BOOK SALES. A dolphin jumps in front of a raft overcrowded by Syrian refugees while crossing a part of the Aegean Sea from Turkey (seen in the background) to the Greek island of Lesbos October 21, 2015. Reuters photographer Yannis Behrakis: "I noticed a movement in front of one of the rafts and thought somebody had jumped overboard. I focused using a long lens and saw the fin of a dolphin. The dolphin jumped almost in front of the raft. It was a truly magic moment. It was as if the dolphin was showing the way and welcoming the people on the raft." REUTERS/Yannis Behrakis TPX IMAGES OF THE DAY 

A mounted policeman leads a group of migrants near Dobova, Slovenia October 20, 2015. Slovenia's parliament is expected to approve changes to its laws later on Tuesday to enable the army to help police guard the border, as thousands of migrants flooded into the country from Croatia after Hungary sealed off its border. REUTERS/Srdjan Zivulovic TPX IMAGES OF THE DAY

A Palestinian vehicle strikes an Israeli motorist, who died later, in the West Bank city of Hebron October 20, 2015. A Palestinian vehicle ran over and killed an Israeli motorist whom a Reuters photographer said was using a club to hit Palestinian protesters and cars on a roadside in the Israeli-occupied West Bank. Israeli police said the man had stopped his car after stones were thrown at it. The driver of the Palestinian vehicle, which the photographer said the Israeli had hit with his club, later turned himself in to Palestinian police. Neither they nor Israeli police commented immediately on whether they believed he had struck the Israeli deliberately. REUTERS/Mussa Qawasma TPX IMAGES OF THE DAY 

A young girl covers herself from the rain with a banana leaf next to a man in the sea on the outskirts of Colon City October 17, 2015. REUTERS/Carlos Jasso 

A goat rests at the Platta viewpoint as a group of hikers (background on R) trek in the distance on the Aletsch Glacier in Fiesch, Switzerland, August 12, 2015. One of Europe's biggest glaciers, the Great Aletsch coils 23 km (14 miles) through the Swiss Alps - and yet this mighty river of ice could almost vanish in the lifetimes of people born today because of climate change. The glacier, 900 metres (2,950 feet) thick at one point, has retreated about 3 km (1.9 miles) since 1870 and that pace is quickening. REUTERS/Denis Balibouse TPX IMAGES OF THE DAY

PICTURE 5 OF 31 FOR WIDER IMAGE STORY "EARTHPRINTS: ALETSCH GLACIER". SEARCH "EARTHPRINTS ALETSCH" FOR ALL IMAGES.

Britain's Queen Elizabeth in discussion with a guest at The University of Surrey's new School of Veterinary Medicine, Guildford, Britain, October 15, 2015. REUTERS/Peter Nicholls TPX IMAGES OF THE DAY 

Palestinian protesters put out a fire burning on a compatriot, caused by a molotov cocktail which he was trying to hurl at Israeli troops during clashes in the West Bank city of Hebron October 13, 2015. Seven Israelis and 27 Palestinians, including nine alleged attackers and eight children, have died in almost two weeks of street attacks and security crackdowns. The violence has been stirred in part by Muslim anger over increasing Jewish visits to the al-Aqsa mosque compound in Jerusalem, Islam's holiest site outside the Arabian Peninsula. REUTERS/Mussa Qawasma TPX IMAGES OF THE DAY

A reveller gets ready to dance during a "pow-wow" celebrating the Indigenous Peoples Day Festival in Randalls Island, New York, October 11, 2015. The festival is held as a counter-celebration to Columbus Day and is to promote Native American culture and history. REUTERS/Eduardo Munoz TPX IMAGES OF THE DAY

Emel Kitapci (2nd L) and Artun Siyah Kitapci, the wife and son of Ali Kitapci, a victim of Saturday's bomb blasts, attend a commemoration in Ankara, Turkey, October 12, 2015. Islamic State is the focus of investigations into a twin suicide bombing that killed at least 97 people in the Turkish capital Ankara and investigators are close to identifying one of the suspects, Prime Minister Ahmet Davutoglu said on Monday. Speaking on Turkish broadcaster NTV in a live interview, Davutoglu said Saturday's attack was an attempt to influence the outcome of a parliamentary election on Nov. 1 and that necessary steps would be taken if security failures were found to have contributed to the bombing. REUTERS/Umit Bektas