version one that helped to keep us safe. so partly those who, to cite three examples, a whole host of arms control agreements all of which are now gone except for the new starchgo treaty, that w not a cold war treaty but a follow-on due to expire in 2026 withe little chance of renuvl. that's the only treatal currently contraining the united states and russia, which are the countries that more than 30 years after the end of the cold war, still control 90% of the world's nuclear weapons. they're operating in isolation from each other which is a danger for everyone, and we lost kind of the patterns of interaction. the cold war lastns time went o long enough that we knew what to expect from oneha another, but putin is being brazen and unpredictable, and lastly, we lost the culture awareness of the cold war. i grew up in the cold war and i had aol sense, a healthy regardf what it would mean if we had a thermo nuclear conflict.