Good analysis, Jay. My only other thought would be that Romney is being polite and is obeying Reagan's 11th commandment. He's got the lead right now, and is minimizing his chances of making mistakes.
All that means is - if he gets elected nothing in this country is going to change. Tired of the same old, same old.
But, if he gets the nomination, I will hold my nose and vote for him. Anyone would be better than Obama and his wife. She's on tour to spread Democracy while they spread Socialism here. It's an oxymoron.