His defection is a self-inflicted wound arising out of the abandonment of traditional Republican anti-big government spending policies. Conservatives sat back for too long, watching George Bush and the spending that was going on in Washington. It cost them the House and the Senate in 2006. Still, they didn't learn anything -- and it cost them the White House in 2008.
If conservatives had had taken over the party as Specter asserts, we simply wouldn't be in the spending crunch we have today and we wouldn't have the deficits we have today.
We are always being asked to listen to the voice of the small contingent on the left such as Specter and his tiny band of allies. When are they going to listen to our side of the party? We're always asked to give in to the moderates and the liberals. It's about time the moderates and liberals acknowledged that it's long past time when we conservatives -- the majority in the GOP -- had a voice in this party.
A note of caution to President Obama: Don't let your happiness over picking up a vote in the Senate lull you into forgetting that having Arlen Specter in your ranks is like having Benedict Arnold in your army. He may be with you today but the chances are whenever he finds it's convenient, he'll turn on you. That's the nature of the beast.