So why isn't Rick attacking Mitt Romney on his dismal liberal governing record in Massachusetts?
Sorry for spoiling your logic, there.
If you look hard enough, you can see how well Rick Santorum exposes Romney(care):
http://www.freerepublic.com/focus/news/2840523/posts?page=3
And Rick Santorum has a way of expressing himself plain and simple like no other.
“So why isn’t Rick attacking Mitt Romney on his dismal liberal governing record in Massachusetts?”
You mean like when he attacked Romneycare during the last debate, which the self-proclaimed Debate Guru couldn’t do?