Voters cast ballots in 4 states; in Pa., redrawn map in play
This Oct. 14, 2016 photo shows Rep. Jim Christiana in Beaver, Pa, Pennsylvania's thus-far sleepy U.S. Senate race could nonetheless help determine whether Republicans maintain control of the chamber. U.S. Rep. Lou Barletta is heavily favored over state Rep. Jim Christiana in Tuesday's Republican primary election.