Article Photos: For Romney, Obama, long slog to nail-biter finish 2/6

  In the final hours of a four-state campaign day, President Barack Obama greets supporters at a rally at Jiffy Lube Live arena, late Saturday night, Nov. 3, 2012, in Bristow, Va. Virginia is one of the most closely contested battleground states. (AP Photo/J. Scott Applewhite)