>> well, what can the world do? >> right, well, what did you want to say, then yeah, what should the u.s. do, what should we do in response to this? >> well, i think the administration did exactly the right thing by not raising our readiness level for nuclear forces. essentially not dig nifying and responding to the threat that i think was at least implied in raising the readiness level of the russian forces. what's worrisome here, pamela, is the russian military doctrine of thought on the use of military -- on the use of nuclear weapons. their threshold has lowered somewhat, where they would consider using tactical nuclear weapons to make up for their