No he can’t win.
This is just as much myth as everything else about myth.
For every cross-over vote he gets, he loses at least 1 vote from the base.
Never believe the hype that is built by Karl Rove, Party over Principle types, they’re trying to create a self-fulfilling prophecy by using your fear of Obama and your willingness to listen to the party hacks.
Romney has to be the most dubious “frontrunner” in a long time.
Here in Indiana, NObody I know is supporting him.