not as a u.s. unilateral move. germans re-arming, doubling their defense budget for next year is remarkable. and i think we're going to see that across the board, putin put himself in a strategic disaster. the problem is, how are we going to act to end this intense suffering in the ukraine? a huge nation. 40 million people. when the fighting in kyiv gets intense and in the coming weeks it's going to be painful to watch. >> where's your level of fear that vladimir putin might try to use tactical nuclear weapons? >> i think it approaches zero. i cannot imagine a lieutenant colonel in the russian air force telling mr. putin, this is a good idea. we have tactical nuclear weapons. sitting on boomer submarines of the u.s. navy that within 15 minutes could respond to a