His brother is on the loose; wanted in Ga. If Terrell Brittenum watched his performance on television's "American Idol" Tuesday night, he did so from the Shelby County Jail. Brittenum and his twin brother, Derrell Brittenum, both of southeast Memphis, appeared on the show. And both had outstanding criminal warrants when their performances aired. They're charged in Rockdale County, Ga., with forgery, theft by deception and financial identity fraud. The case involves the purchase of a 2005 Dodge Magnum in June -- allegedly by using another man's identity. Terrell Brittenum has been in jail here since Jan. 10. His brother...