** FILE ** Rep. Chip Pickering, R-Miss., is photographed at his reelection party in Jackson, Miss., Nov. 7, 2006. Pickering announced Thursday, Aug. 16, 2007, that he won't seek a seventh term in 2008, a move that's expected to create a free-for-all contest for a rare, open congressional seat in Mississippi. (AP Photo/Rogelio V. Solis)