Former Alaska Gov. Sarah Palin (R) cost the GOP control of the Senate, a powerful House Republican said. Rep. Spencer Bachus (Ala.) said that Tea Party-backed candidates whom Palin endorsed underperformed against their Democratic rivals, costing the GOP key pickup opportunities. "The Senate would be Republican today except for states [in which Palin endorsed candidates] like Christine O’Donnell in Delaware," Bachus said at a local Chamber of Commerce event last week, the Shelby County Reporter wrote Sunday. "Sarah Palin cost us control of the Senate." Bachus' is one of the most visible Republicans to criticize Palin for her political activity...