The Carnival Valor cruise ship is seen docked at the port of New Orleans as the spread of the coronavirus disease (COVID-19) continues, in New Orleans, Louisiana U.S., April 13, 2020. REUTERS/Carlos Barria

The Carnival Valor cruise ship, which is housing crew members only, is docked in its home port of New Orleans, Louisiana, U.S., amid the outbreak of the coronavirus disease (COVID-19), April 12, 2020. According to a Carnival Cruise Line representative, while some crew members were bussed to the airport and flew home on April 8, others are still on the ship have either been held up by travel restrictions, have tested positive for COVID-19 or are exhibiting signs of the flu, and therefore will not be allowed to leave the ship until they are healthy. REUTERS/Kathleen Flynn

The Carnival Valor cruise ship, which is housing crew members only, is docked in its home port of New Orleans, Louisiana, U.S., amid the outbreak of the coronavirus disease (COVID-19), April 12, 2020. According to a Carnival Cruise Line representative, while some crew members were bussed to the airport and flew home on April 8, others are still on the ship have either been held up by travel restrictions, have tested positive for COVID-19 or are exhibiting signs of the flu, and therefore will not be allowed to leave the ship until they are healthy. REUTERS/Kathleen Flynn?

Jesse Baum walks her dog in the Bywater neighborhood near the Mississippi river where the Carnival Valor cruise ship has been docked in New Orleans, Louisiana, U.S., amid the outbreak of the coronavirus disease (COVID-19), April 12, 2020. According to a Carnival Cruise Line representative, while some crew members were bussed to the airport and flew home on April 8, others are still on the ship have either been held up by travel restrictions, have tested positive for COVID-19 or are exhibiting signs of the flu, and therefore will not be allowed to leave the ship until they are healthy. REUTERS/Kathleen Flynn?

People are seen on the balconies of Carnival Valor cruise ship, which is housing crew members only, as it docks in its home port of New Orleans, Louisiana, U.S., amid the outbreak of the coronavirus disease (COVID-19), April 12, 2020. According to a Carnival Cruise Line representative, while some crew members were bussed to the airport and flew home on April 8, others are still on the ship have either been held up by travel restrictions, have tested positive for COVID-19 or are exhibiting signs of the flu, and therefore will not be allowed to leave the ship until they are healthy. REUTERS/Kathleen Flynn?

People are seen on the balconies of Carnival Valor cruise ship, which is housing crew members only, as it docks in its home port of New Orleans, Louisiana, U.S., amid the outbreak of the coronavirus disease (COVID-19), April 12, 2020. According to a Carnival Cruise Line representative, while some crew members were bussed to the airport and flew home on April 8, others are still on the ship have either been held up by travel restrictions, have tested positive for COVID-19 or are exhibiting signs of the flu, and therefore will not be allowed to leave the ship until they are healthy. REUTERS/Kathleen Flynn?

The Carnival Valor cruise ship, which is housing crew members only, is docked in its home port of New Orleans, Louisiana, U.S., amid the outbreak of the coronavirus disease (COVID-19), April 12, 2020. According to a Carnival Cruise Line representative, while some crew members were bussed to the airport and flew home on April 8, others are still on the ship have either been held up by travel restrictions, have tested positive for COVID-19 or are exhibiting signs of the flu, and therefore will not be allowed to leave the ship until they are healthy. REUTERS/Kathleen Flynn?

U.S. President Donald Trump stands with U.S. Attorney General William Barr prior to presenting the Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. Picture taken May 22, 2019. REUTERS/Carlos Barria/Files

U.S. Attroney General William Barr smiles as President Donald Trump stands next to him while speaking during the presentation of Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. Picture taken May 22, 2019. REUTERS/Carlos Barria/Files

U.S. Attroney General William Barr passes President Donald Trump as he heads to the podium to speak during the presentation of Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. Picture taken May 22, 2019. REUTERS/Carlos Barria/Files

U.S. Attroney General William Barr passes President Donald Trump as he heads to the podium to speak during the presentation of Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. Picture taken May 22, 2019. REUTERS/Carlos Barria/Files

U.S. President Donald Trump presents the Medal of Valor to Police Officer Jeremy Campbell, who responded to a mass shooting in Dayton, Ohio during a ceremony in the East Room of the White House in Washington, U.S., September 9, 2019. REUTERS/Erin Scott

U.S. President Donald Trump presents the Medal of Valor to Police Officer David Denlinger, who responded to a mass shooting in Dayton, Ohio during a ceremony in the East Room of the White House in Washington, U.S., September 9, 2019. REUTERS/Erin Scott

U.S. President Donald Trump presents the Medal of Valor to Police Officer Ryan Nabel, who responded to a mass shooting in Dayton, Ohio during a ceremony in the East Room of the White House in Washington, U.S., September 9, 2019. REUTERS/Erin Scott

U.S. President Donald Trump presents the Medal of Valor to Police Officer Brian Rolfes, who responded to a mass shooting in Dayton, Ohio during a ceremony in the East Room of the White House in Washington, U.S., September 9, 2019. REUTERS/Erin Scott

U.S. President Donald Trump presents the Medal of Valor to Police Sgt. William Knight, who responded to a mass shooting in Dayton, Ohio during a ceremony in the East Room of the White House in Washington, U.S., September 9, 2019. REUTERS/Erin Scott

U.S. Attorney General William Barr participates in a presentation ceremony of the Medal of Valor and heroic commendations to civilians and police officers who responded to mass shootings in Dayton, Ohio and El Paso, Texas during a ceremony in the East Room of the White House in Washington, U.S. September 9, 2019. REUTERS/Erin Scott

U.S. President Donald Trump poses with Medal of Valor and heroic commendations recipients who responded to mass shootings in Dayton, Ohio and El Paso, Texas during a ceremony in the East Room of the White House in Washington, U.S. September 9, 2019. REUTERS/Erin Scott

U.S. Attorney General William Barr participates in a presentation ceremony of the Medal of Valor and heroic commendations to civilians and police officers who responded to mass shootings in Dayton, Ohio and El Paso, Texas during a ceremony in the East Room of the White House in Washington, U.S. September 9, 2019. REUTERS/Erin Scott

U.S. President Donald Trump and Attorney General William Barr applaud Medal of Valor and heroic commendations recipients who responded to mass shootings in Dayton, Ohio and El Paso, Texas during a ceremony in the East Room of the White House in Washington, U.S. September 9, 2019. REUTERS/Erin Scott

U.S. President Donald Trump applauds Medal of Valor and heroic commendations recipients who responded to mass shootings in Dayton, Ohio and El Paso, Texas during a ceremony in the East Room of the White House in Washington, U.S. September 9, 2019. REUTERS/Erin Scott

U.S. President Donald Trump applauds Medal of Valor and heroic commendations recipients who responded to mass shootings in Dayton, Ohio and El Paso, Texas during a ceremony in the East Room of the White House in Washington, U.S. September 9, 2019. REUTERS/Erin Scott

U.S. President Donald Trump participates in a presentation ceremony of the Medal of Valor and heroic commendations to civilians and police officers who responded to mass shootings in Dayton, Ohio and El Paso, Texas during a ceremony in the East Room of the White House in Washington, U.S., September 9, 2019. REUTERS/Erin Scott

U.S. President Donald Trump participates in a presentation ceremony of the Medal of Valor and heroic commendations to civilians and police officers who responded to mass shootingsin Dayton, Ohio and El Paso, Texas during a ceremony in the East Room of the White House in Washington, U.S., September 9, 2019. REUTERS/Erin Scott

U.S. President Donald Trump and Attorney General William Barr participate in a presentation ceremony of the Medal of Valor and heroic commendations to civilians and police officers who responded to mass shootingsin Dayton, Ohio and El Paso, Texas during a ceremony in the East Room of the White House in Washington, U.S., September 9, 2019. REUTERS/Erin Scott

U.S. President Donald Trump participates in a presentation ceremony of the Medal of Valor and heroic commendations to civilians and police officers who responded to mass shootingsin Dayton, Ohio and El Paso, Texas during a ceremony in the East Room of the White House in Washington, U.S., September 9, 2019. REUTERS/Erin Scott

U.S. President Donald Trump and Attorney General William Barr particpate in a presentation ceremony of the Medal of Valor and heroic commendations to civilians and police officers who responded to mass shootingsin Dayton, Ohio and El Paso, Texas during a ceremony in the East Room of the White House in Washington, U.S., September 9, 2019. REUTERS/Erin Scott

U.S. President Donald Trump applauds before presenting Medals of Valor and heroic commendations to civilians and police officers who responded to mass shootings in Dayton, Ohio and El Paso, Texas during a ceremony in the East Room of the White House in Washington, U.S., September 9, 2019. REUTERS/Erin Scott

U.S. President Donald Trump attends a presentation ceremony of the Medal of Valor and heroic commendations to civilians and police officers who responded to mass shootings in Dayton, Ohio and El Paso, Texas during a ceremony in the East Room of the White House in Washington, U.S., September 9, 2019. REUTERS/Erin Scott

U.S. President Donald Trump speaks in front of a portrait of the first president of the United States George Washington during a presentation of Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Leah Millis

President Donald Trump looks on as U.S. Attorney General William Barr takes his seat at a presentation of Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Leah Millis TPX IMAGES OF THE DAY

U.S. President Donald Trump speaks in front of a portrait of the first president of the United States George Washington during a presentation of Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Leah Millis

U.S. President Donald Trump appears at a presentation of Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Carlos Barria

U.S. President Donald Trump departs after presenting Public Safety Medals of Valor in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Leah Millis

U.S. President Donald Trump departs after presenting Public Safety Medals of Valor in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Leah Millis

U.S. President Donald Trump departs after presenting Public Safety Medals of Valor in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Leah Millis

U.S. Attorney General William Barr departs after a presentation of Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Leah Millis

U.S. President Donald Trump departs after presenting Public Safety Medals of Valor in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Carlos Barria

President Donald Trump looks on as U.S. Attorney General William Barr takes his seat at a presentation of Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Leah Millis

U.S. President Donald Trump presents the Public Safety Medal of Valor to one of 14 recipients in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Carlos Barria

President Donald Trump greets U.S. Attorney General William Barr at a presentation of Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Leah Millis

U.S. President Donald Trump appears at a presentation of Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Carlos Barria

U.S. Attorney General William Barr applauds with other guests as U.S. President Donald Trump presents Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Carlos Barria

U.S. Attorney General William Barr is greeted by President Donald Trump at a presentation of Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Leah Millis

U.S. Attorney General William Barr is greeted by President Donald Trump at a presentation of Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Leah Millis

U.S. President Donald Trump speaks arrives to present Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Leah Millis

U.S. Attroney General William Barr passes President Donald Trump as he heads to the podium to speak during the presentation of Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Carlos Barria

U.S. President Donald Trump speaks prior to presenting the Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Carlos Barria

U.S. President Donald Trump speaks prior to presenting the Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Carlos Barria

U.S. President Donald Trump speaks prior to presenting the Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Carlos Barria

U.S. President Donald Trump speaks prior to presenting the Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Carlos Barria

U.S. President Donald Trump speaks prior to presenting the Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Carlos Barria

U.S. President Donald Trump speaks prior to presenting the Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Carlos Barria

U.S. President Donald Trump stands with U.S. Attorney General William Barr prior to presenting the Public Safety Medals of Valor to officers in the East Room of the White House in Washington, U.S., May 22, 2019. REUTERS/Carlos Barria

Evolución del número de medidas de restricción y facilitación del comercio aplicadas por las economías del G20 y el valor estimado en millones de dólares, según un informe de la Organización Mundial del Comercio(OMC). 15 cm de ancho. (SGN05)

Acompaña nota "DELITO MÉXICO LÍDERES". Diagrama que ilustra el incremento de la cadena de valor de la cocaína, según el reporte de la Comisión Global sobre Políticas de Drogas. 15 cm de ancho. (SGN07)

United States Attorney General Jeff Sessions speaks at Valor Survive and Thrive Conference in Waukegan, Illinois, U.S., September 19, 2018. Picture taken September 19, 2018. REUTERS/Kamil Krzaczynski

United States Attorney General Jeff Sessions waits on stage before speaking at Valor Survive and Thrive Conference in Waukegan, Illinois, U.S., September 19, 2018. REUTERS/Kamil Krzaczynski TPX IMAGES OF THE DAY

United States Attorney General Jeff Sessions waits while being introduced to speak at Valor Survive and Thrive Conference in Waukegan, Illinois, U.S., September 19, 2018. REUTERS/Kamil Krzaczynski

United States Attorney General Jeff Sessions acknowledges applause after speaking at Valor Survive and Thrive Conference in Waukegan, Illinois, U.S., September 19, 2018. REUTERS/Kamil Krzaczynski