FILE - In this Sept. 26, 2012 file photo, A man heads into the the Penndot Drivers License Center in Butler, Pa., near a sign telling of the requirement for voters to show an acceptable photo ID to vote. Some political momentum could be on the line in a judge’s forthcoming ruling on Pennsylvania's tough new voter identification law. Commonwealth Court Judge Robert Simpson is expected to rule Tuesday. That’s just five weeks before voters decide whether to re-elect President Barack Obama, a Democrat, or replace him with Mitt Romney, a Republican. (AP Photo/Keith Srakocic)