Colombian President Alvaro Uribe—the closest U.S. ally in Latin America—has been mired in scandal. Eight lawmakers from Uribe’s party and his former domestic intelligence chief have recently been jailed for having ties to rightwing paramilitary death squads. We speak with Gustavo Petro, the leader of Colombia’s main opposition party, the Democratic Pole. He is a Senator in Colombia and has been leading efforts to investigate ties between paramilitary death squads and top politicians. [includes rush transcript]