Venezuela's National Assembly president Juan Guaido speaks before a crowd of opposition supporters during an open meeting at the Central University of Caracas (UCV) in Caracas, on January 21, 2019. - Venezuela's Supreme Court declared the leadership of the opposition-controlled National Assembly illegitimate and its decisions "void" Monday after it repudiated the presidency of Nicolas Maduro. The latest escalation in the power struggle between Maduro and the new president of the assembly, Juan Guaido, came on the same day as a brief military uprising in Caracas and amid opposition calls for mass protests on Wednesday. (Photo by Yuri CORTEZ / AFP)