WASHINGTON (AP) -- Roaches, mold, and signs of a leaking roof were among numerous problems federal inspectors uncovered at a Georgia plant that kept shipping peanut butter even after it was found to contain salmonella. A senior lawmaker on Wednesday quickly called for a criminal investigation of the plant, which has been implicated in the national salmonella outbreak.... By RICARDO ALONSO-ZALDIVAR and GREG BLUESTEIN More...