Leon Panetta: “We're going to change the culture and make sure that these attacks cannot be perpetrated.”

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.

That’s too long, and it should have been brought back sooner.

You know, Erin, as CIA director, I had an awful lot of intelligence on Putin and his background, and his trustworthiness. And the bottom line is that it was clear that we could never trust Putin's word.

And ... we’re going to have to respond. And right now, because our missile systems and our supply of weapons being down, this is a vulnerable period for the United States.