Leon Panetta: “It's important that we recognize the costs that are involved and that, frankly, all of us bear some responsibility to…”

I think it's a -- it is something we've got to pay attention to because I think this is a dangerous moment. If we're facing other lone wolf terrorists in this country.

Make no mistake about it, that would be an act of war because it would threaten our national security.

I never thought I would see that in my lifetime.

The facts have to be presented to the American people, and it's the American people who will judge what is right or wrong.