I thought George Allen could do it, but he's clearly out. Newt is too divisive and has too much baggage. I don't think Pence has the charisma. Rush would get torn apart by the left, but I wonder if Hannity could do it.
Hannity better get moving soon. There are others buried in the states, but unlikely any of them could get vis prior to '08.
After reading the piece posted earlier today written by Senator Tom Coburn...
http://www.freerepublic.com/focus/f-news/1735613/posts
I got pinged to it from the "Moral Absolutes".