Check out angi.com today. angi. and done. russia s foreign minister has raised the stakes for the possibility of using weps. they have renewed concerns about damage in and around the chernobyl plant that could have dangerous contamination when it was occupied by russian troops before they were pushed back. today marks the 36th an verse roift nuclear damages. joining us now is former secretary of energy during the obama administration, now co-chair and ceo of the nuclear threat initiative. thank you, it s great to see you. this is not the first time that russia has talked and used this kind of nuclear rhetoric. after the visit by both