Yes, and mostly for violating the 11th commandment on a minuscule budget and establishing a 'mean' image. I believe that if he had just ignored Mitt and instead campaigned as hard against Obama, Newt would be on top now - and our next president.
Bump!
Actually, I think if he just had a good debate in Fla. that would be true. The problem is with his baggage and the resources of his opposition he has to be just about perfect, which is not something I think he is going to be able to do.