Angus King actually said...

The whole theory of deterrence rests upon rational state actors, and we are now in a world of irrational non-state actors.

The Russian stockpile of tactical nuclear weapons. Is this a gap, if you will, in our deterrent?

As technology improves around the world, the ability to hold targets at risk wherever they are on the planet is vitally important to our Nat...

Yes, it is.