Eric Watkins Oil Diplomacy Editor Chevron Corp. said litigation against the firm in an Ecuadorian court should be terminated because a forensic specialist discovered many forged signatures on the document that initially authorized the legal action. "The Ecuadorian authorities cannot continue to ignore the mounting evidence of fraud in the Lago Agrio litigation without violating their duties under the Ecuadorian constitution and international law," said R. Hewitt Pate, Chevron vice-president and general counsel. Forensic document examiner Gus R. Lesnevich said at least 20 of the 48 signatures were faked on the document that purported to ratify the 2003 complaint and appoint Ecuad...