Rep. Joe Sestak, the Democratic Senate nominee in Pennsylvania, talks to Michele Norris about his win over veteran Sen. Arlen Specter, who switched parties last year. Sestak's victory sets up the fall race as an intense liberal vs. conservative battle. He will now face off against Republican Pat Toomey, a conservative former congressman who almost unseated Specter six years ago.
Sestak On His Come-From-Behind Win Over Specter
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