Leon Panetta: “It is a crazy, nutty tool that, frankly, cannot be restructured.”

If he is careless with that awesome power, the United States could very well find itself in another world war.

I recommend he take Reagan's position, which is trust, but verify.

Autocrats that once operated in their own spheres of influence have now joined together in an axis of mutual support and aggression.

I think the United States ought to be part and parcel of any agreement to be able to provide a security assurance to make sure that Ukraine is protected from the kind of invasion that we've seen from Russia.