Venezuela’s state oil company PDVSA is facing wider crude discounts, stuck cargoes, and growing pressure from buyers to rewrite trading terms after the United States seized a tanker carrying Venezuelan oil, traders and sources told Reuters. The seizure of the very large crude carrier Skipper near Venezuela’s coast last week marked Washington’s first interception of a tanker transporting Venezuelan crude. The move came alongside new U.S. sanctions on six vessels and their associated companies, tightening the screws on President…