U.S. Rep. Jason Altmire, D- Pa., walks out of the polling area after he he voted in the Pennsylvania primary election on Tuesday, April 24, 2012 in McCandless, Pa., a suburb north of Pittsburgh. ... more 
U.S. Rep. Jason Altmire, D- Pa., walks out of the polling area after he he voted in the Pennsylvania primary election on Tuesday, April 24, 2012 in McCandless, Pa., a suburb north of Pittsburgh. Altmire faces fellow U.S. Rep. Mark Critz after the Legislature and governor approved new lines combining their previously separate districts. (AP Photo/Keith Srakocic) less 
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Associated Press | Photo By Keith Srakocic
Tue, Apr 24, 2012 10:36 PM EDT