U.S. court hears Chevron's fraud claims in $9.5 billion Ecuador dispute

(Reuters) - Chevron Corp urged a U.S. appeals court on Monday to uphold a ruling finding that an American lawyer used corrupt means to secure a $9.5 billion pollution judgment in Ecuador.A lawyer for Chevron told the 2nd U.S. Circuit Court of Appeals in New York that Steven Donziger, a U.S. lawyer who represented a group of Ecuadorians that sued the oil giant, pursued a case "shot through with fraud."