Pa.'s Casey preps for re-election run as moderate

In this June 30, 2011 photo, Sen. Bob Casey, D-Pa., smiles during a Democratic National Committee event in Philadelphia. (AP Photo/Matt Rourke)

March 10, 2012 5:57:03 PM PST
Bob Casey had no voting record to pick apart. He campaigned against a deeply unpopular opponent, president and Congress. And he delivered a historic result.