Venezuela's President Nicolas Maduro speaks during a news conference at Miraflores Palace in Caracas, Venezuela, March 12, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro speaks during a news conference at Miraflores Palace in Caracas, Venezuela, March 12, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro speaks during a news conference at Miraflores Palace in Caracas, Venezuela, March 12, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro speaks during a news conference at Miraflores Palace in Caracas, Venezuela, March 12, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro speaks during a news conference at Miraflores Palace in Caracas, Venezuela, March 12, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro speaks during a news conference at Miraflores Palace in Caracas, Venezuela, March 12, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro holds a news conference at Miraflores Palace in Caracas, Venezuela, March 12, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro speaks during a news conference at Miraflores Palace in Caracas, Venezuela, March 12, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro speaks during a news conference at Miraflores Palace in Caracas, Venezuela, March 12, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro speaks during a news conference at Miraflores Palace in Caracas, Venezuela, March 12, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro speaks during a news conference at Miraflores Palace in Caracas, Venezuela, March 12, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro speaks during a news conference at Miraflores Palace in Caracas, Venezuela, March 12, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro speaks during a news conference at Miraflores Palace in Caracas, Venezuela, March 12, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro arrives for a news conference at Miraflores Palace in Caracas, Venezuela, March 12, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro speaks during a news conference at Miraflores Palace in Caracas, Venezuela, March 12, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro speaks during a news conference at Miraflores Palace in Caracas, Venezuela, March 12, 2020. REUTERS/Manaure Quintero

A man falls during a scuffle between supporters of Venezuela's President Nicolas Maduro and supporters of opposition leader Juan Guaido, who many nations have recognized as the country's rightful interim ruler, at Simon Bolivar international airport in Maiquetia, Venezuela February 11, 2020. REUTERS/Manaure Quintero

A supporter of Venezuela's President Nicolas Maduro scuffles with members of the media after opposition leader Juan Guaido, who many nations have recognized as the country's rightful interim ruler, arrived at Simon Bolivar international airport in Maiquetia, Venezuela February 11, 2020. REUTERS/Manaure Quintero TPX IMAGES OF THE DAY

A supporter of Venezuela's President Nicolas Maduro faces members of the media after opposition leader Juan Guaido, who many nations have recognized as the country's rightful interim ruler, arrived at Simon Bolivar international airport in Maiquetia, Venezuela February 11, 2020. REUTERS/Manaure Quintero

Supporters of Venezuela's President Nicolas Maduro surround a vehicle carrying opposition leader Juan Guaido, who many nations have recognized as the country's rightful interim ruler, after he arrived at Simon Bolivar international airport in Maiquetia, Venezuela February 11, 2020. REUTERS/Manaure Quintero

Supporters of Venezuelan President Nicolas Maduro scuffle with members of the media at the Simon Bolivar international airport in Maiquetia, Venezuela February 11, 2020. REUTERS/Manaure Quintero

Supporters of Venezuela's opposition leader Juan Guaido, who many nations have recognized as the country's rightful interim ruler, and of Venezuelan President Nicolas Maduro scuffle at Simon Bolivar international airport in Maiquetia, Venezuela February 11, 2020. REUTERS/Manaure Quintero

Supporters of Venezuela's opposition leader Juan Guaido, who many nations have recognized as the country's rightful interim ruler, and of Venezuelan President Nicolas Maduro scuffle at Simon Bolivar international airport in Maiquetia, Venezuela February 11, 2020. REUTERS/Manaure Quintero

Russia's Foreign Minister Sergey Lavrov and Venezuela's Vice President Delcy Rodriguez (not pictured) address the media after a meeting with Venezuela's President Nicolas Maduro at the Miraflores Palace in Caracas, Venezuela February 7, 2020. REUTERS/Manaure Quintero

Venezuela's Vice President Delcy Rodriguez and Russia's Foreign Minister Sergey Lavrov address the media after a meeting with Venezuela's President Nicolas Maduro at the Miraflores Palace in Caracas, Venezuela February 7, 2020. REUTERS/Manaure Quintero

Russia's Foreign Minister Sergey Lavrov and Venezuela's Vice President Delcy Rodriguez (not pictured) address the media after a meeting with Venezuela's President Nicolas Maduro at the Miraflores Palace in Caracas, Venezuela February 7, 2020. REUTERS/Manaure Quintero

Venezuela's Vice President Delcy Rodriguez and Russia's Foreign Minister Sergey Lavrov (not pictured) address the media after a meeting with Venezuela's President Nicolas Maduro at the Miraflores Palace in Caracas, Venezuela February 7, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro shakes hands with Russia's Foreign Minister Sergey Lavrov at the Miraflores Palace in Caracas, Venezuela February 7, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro shakes hands with Russia's Foreign Minister Sergey Lavrov at the Miraflores Palace in Caracas, Venezuela February 7, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro shakes hands with Russia's Foreign Minister Sergey Lavrov as they meet at Miraflores Palace in Caracas, Venezuela February 7, 2020. REUTERS/Manaure Quintero

A photographer holds a camera as Venezuela's President Nicolas Maduro shakes hands with Russia's Foreign Minister Sergey Lavrov at Miraflores Palace in Caracas, Venezuela February 7, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro shakes hands with Russia's Foreign Minister Sergey Lavrov at Miraflores Palace in Caracas, Venezuela February 7, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro, President of Venezuela's Supreme Court Maikel Moreno, Venezuela's National Constituent Assembly President Diosdado Cabello and National Electoral Council (CNE) President Tibisay Lucena take part in the ceremony marking the opening of the new court term in Caracas, Venezuela January 31, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro greets members of the Venezuela's Supreme Court during the ceremony marking the opening of the new court term in Caracas, Venezuela January 31, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro and President of Venezuela's Supreme Court Maikel Moreno take part in the ceremony marking the opening of the new court term at Venezuela's Supreme Court, in Caracas, Venezuela January 31, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro, President of Venezuela's Supreme Court Maikel Moreno and Venezuela's National Constituent Assembly President Diosdado Cabello take part in the ceremony marking the opening of the new court term in Caracas, Venezuela January 31, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro and President of Venezuela's Supreme Court Maikel Moreno take part in the ceremony marking the opening of the new court term at Venezuela's Supreme Court, in Caracas, Venezuela January 31, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro, President of Venezuela's Supreme Court Maikel Moreno and Venezuela's National Constituent Assembly President Diosdado Cabello take part in the ceremony marking the opening of the new court term in Caracas, Venezuela January 31, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro gestures during the ceremony marking the opening of the new court term at Venezuela's Supreme Court in Caracas, Venezuela January 31, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro gestures next to National Electoral Council (CNE) President Tibisay Lucena during a ceremony marking the opening of the new court term in Caracas, Venezuela January 31, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro, President of Venezuela's Supreme Court Maikel Moreno and National Electoral Council (CNE) President Tibisay Lucena take part in the ceremony marking the opening of the new court term in Caracas, Venezuela January 31, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro greets members of the Venezuela's Supreme Court as he attends the ceremony marking the opening of the new court term in Caracas, Venezuela January 31, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro and President of Venezuela's Supreme Court Maikel Moreno arrive at Venezuela's Supreme Court to attend the ceremony marking the opening of the new court term in Caracas, Venezuela January 31, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro, his wife Cilia Flores and President of Venezuela's Supreme Court Maikel Moreno arrive at Venezuela's Supreme Court to attend the ceremony marking the opening of the new court term in Caracas, Venezuela January 31, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro, accompanied by his wife Cilia Flores, and Maikel Moreno, president of Venezuela's Supreme Court, arrive at Venezuela's Supreme Court to attend the ceremony marking the opening of the new court term in Caracas, Venezuela January 31, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro, his wife Cilia Flores and President of Venezuela's Supreme Court Maikel Moreno arrive at Venezuela's Supreme Court to attend the ceremony marking the opening of the new court term in Caracas, Venezuela January 31, 2020. REUTERS/Manaure Quintero

Venezuelan citizens line up to return voluntarily to their country within the framework of the "Return to Homeland" plan promoted by Venezuela's President Nicolas Maduro outside the Venezuelan embassy in Santiago, Chile January 25, 2020. REUTERS/Edgard Garrido

Venezuelan citizens react as they return voluntarily to their country within the framework of the "Return to Homeland" plan promoted by Venezuela's President Nicolas Maduro outside the Venezuelan embassy in Santiago, Chile January 25, 2020. REUTERS/Edgard Garrido

Venezuelan citizens react as they return voluntarily to their country within the framework of the "Return to Homeland" plan promoted by Venezuela's President Nicolas Maduro outside the Venezuelan embassy in Santiago, Chile January 25, 2020. REUTERS/Edgard Garrido

Venezuelan citizens gather outside the Venezuelan embassy to return voluntarily to their country within the framework of the "Return to Homeland" plan promoted by Venezuela's President Nicolas Maduro, in Santiago, Chile January 25, 2020. REUTERS/Edgard Garrido

Venezuelan citizens gather outside the Venezuelan embassy to return voluntarily to their country within the framework of the "Return to Homeland" plan promoted by Venezuela's President Nicolas Maduro, in Santiago, Chile January 25, 2020. REUTERS/Edgard Garrido

A Venezuelan woman looks through her belongings as she returns voluntarily to her country within the framework of the "Return to Homeland" plan promoted by Venezuela's President Nicolas Maduro outside the Venezuelan embassy in Santiago, Chile January 25, 2020. REUTERS/Edgard Garrido

A Venezuelan woman weighs her suitcase as she returns voluntarily to her country within the framework of the "Return to Homeland" plan promoted by Venezuela's President Nicolas Maduro outside the Venezuelan embassy in Santiago, Chile January 25, 2020. REUTERS/Edgard Garrido

Venezuelan citizens react as they return voluntarily to their country within the framework of the "Return to Homeland" plan promoted by Venezuela's President Nicolas Maduro outside the Venezuelan embassy in Santiago, Chile January 25, 2020. REUTERS/Edgard Garrido

Venezuelan citizens react as they return voluntarily to their country within the framework of the "Return to Homeland" plan promoted by Venezuela's President Nicolas Maduro outside the Venezuelan embassy in Santiago, Chile January 25, 2020. REUTERS/Edgard Garrido

Venezuelan citizens line up to return voluntarily to their country within the framework of the "Return to Homeland" plan promoted by Venezuela's President Nicolas Maduro outside the Venezuelan embassy in Santiago, Chile January 25, 2020. REUTERS/Edgard Garrido

Venezuela's President Nicolas Maduro delivers his annual state of the nation speech during a special session of the National Constituent Assembly, in Caracas, Venezuela January 14, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro delivers his annual state of the nation speech during a special session of the National Constituent Assembly, in Caracas, Venezuela January 14, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro delivers his annual state of the nation speech during a special session of the National Constituent Assembly, in Caracas, Venezuela January 14, 2020. REUTERS/Manaure Quintero

Venezuela's President Nicolas Maduro delivers his annual state of the nation speech during a special session of the National Constituent Assembly, in Caracas, Venezuela January 14, 2020. REUTERS/Manaure Quintero