Chris Matthews’ On Again, Off Again Senate Run

Catching you up on the latest:

LA Times: “MSNBC’s Chris Matthews could be in the mix of candidates hoping to win Republican Sen. Arlen Specter’s seat in 2010.”

He’s running for Pennsylvania’s Senate seat!

Wait, no, he’s not!

Jane Hamsher: How Matthews can beat Specter.

Quinnipiac: “Specter Has Big Lead Over Hardball’s Matthews

Sen. Specter weighs in.