(AP) WASHINGTON -- A Republican congressman on Saturday urged Attorney General Alberto Gonzales to resign, citing what he said were Gonzales' contradictory statements about his role in the firing of eight federal prosecutors. "I trusted him before, but I can't now," said five-term Rep. Lee Terry (news, bio, voting record), whose district includes metropolitan Omaha. Gonzales' credibility took a blow this past week during testimony by his former chief of staff, Kyle Sampson, before the Senate Judiciary Committee. Sampson, who resigned March 12, said the attorney general was regularly briefed about plans to fire the prosecutors and was involved with...