Support WBURVenezuelan Opposition Leader Guaidó Declares Himself President, With U.S. BackingDaniella CheslowLaurel WamsleyRichard GonzalesJanuary 23, 2019 ShareJuan 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)