RCP: Think back with me six years. You narrowly lost a primary fight to Arlen Specter. He then switched parties, lost the Democratic nomination to Joe Sestak, and is barred by Pennsylvania's sore loser law from running as a third party candidate. Are you sorry you won't get a rematch? Pat Toomey: No. This was never about Arlen Specter. I got into this race because I'm just worried sick about what... (Read Full Article)