Chris Christie: “if you can't say the former president is unfit, you're unfit yourself.”

What Reagan would do is if there was parts of it he didn't like, he'd get in there and negotiate it and try to make it better.

The one commitment I will make to you this morning is I'm not voting for Donald Trump under any circumstances.

This is not a message of unity in the face of what could have been a national tragedy.

This is against type for him. I'm sure it was a difficult decision. I think his analysis was, he cannot live with a nuclear weapon in Iran, and Israel did all of the heavy lifting.