New findings that U.S. Supreme Court Justice Clarence Thomas apparently failed to repay at least a "significant portion" of a $267,230 loan he received from a wealthy benefactor prompted Senate Democrats on Thursday to step up their criticism of the court's lack of an ethics code. A personal loan that Thomas received in 1999 from longtime friend Anthony Welters to buy a Prevost Marathon motor coach was forgiven before the principal was fully repaid, according to a report by Senate Democrats on Wednesday based on a review of loan documents provided by Welters. "With each n...