Chevron urged a U.S. appeals court…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."…Olson asked the three-judge panel to uphold a ban on Donziger profiting from the case and from the attorney or villagers enforcing the judgment in the United States. But Donziger's lawyer said allowing Chevron to launch an "impermissible collateral attack" on a foreign judgment could prompt similar challenges in the future.