Treasury Secretary Steven Mnuchin outlined new U.S. sanctions against Venezuela’s state oil giant Petroleos de Venezuela S.A. on Monday, in a move to cripple Nicolás Maduro’s government and empower opposition leader Juan Guaidó. Photo: Getty Images The Trump administration’s sanctions against Venezuela’s oil sector are forcing the country’s Citgo Petroleum Corp., one of the largest refiners in the U.S., to consider bankruptcy as a way to protect its operations amid the battle for political control in Caracas. A bankruptcy filing isn’t imminent or certain, people familiar with the matter said. But it is one of several options the company and U.S. government officials are considering to keep Citgo’s Gulf Coast crude operations running and to preserve the assets from being…