AdvertisementVenezuelan Opposition Leader Guaidó Declares Himself President, With U.S. BackingJanuary 23, 2019Daniella CheslowLaurel WamsleyRichard GonzalesfacebookEmailJuan Guaidó, head of Venezuela's opposition-run congress, declares himself interim president of Venezuela during a rally against President Nicolás Maduro in the capital, Caracas, on Wednesday. (AP)