Voice of America | Houston Firm Sues Ex-Venezuelan Oil Czar Ramirez Over Bribes Voice of America Venezuela's former oil czar Rafael Ramirez was sued Friday by a Houston company that alleges he was behind demands for at least $10 million in bribes to sign off on deals to sell its energy assets in the South American country. The civil complaint ... Venezuela's Ex-Oil Chief Sued by Houston Energy Firm Over Bribe Demands |