There's a lot of enthusiasm for Bob Casey's candidacy in Pittsburgh.

It is a real defining line. It really defines what this battle is about.

It took Santorum more than a week to dig up some year-old obscure quote that blames our military rather than challenging the administration's conduct of this war.

At face value (Santorum's comments) show an incredible amount of insensitivity to the Gulf Coast. What exactly does Senator Santorum mean by imposing penalties on people who often times had no transportation and no place to go?

We'll pick (a date) in the coming weeks and they're welcome to show up.

He is ultimately responsible for everything that happens in that office. Things are going right and he's getting a lot done.

This is going to be a long campaign. From a challenger's standpoint, it's better to be ahead than behind, but we're not going to rest on our laurels.