Diehard Hugo Chávez supporters struggle to comprehend ideological U-turn being executed by Delcy Rodríguez’s interim administrationHe was one of the most passionate propagandists for Hugo Chávez’s Bolivarian revolution: a feisty leftist TV personality who spent more than two decades singing the movement’s praises on his state-funded show, The Razorblade.Mario Silva’s devotion was such that he often hosted his programme with Chávez’s portrait behind him and he had El Comandante’s