An I worried about a nuclear exchange? Always. I've been briefed, and during the Cold War I was privy to certain things that kept me awake at night.
The world is closer than it has been for a very long time.
Tom Rogan, over at the Washington Examiner, says that nukes are extremely unlikely. I hope he knows what he is talking about.
Oh the other hand, Joe Biden says we don't need to worry. He hadn't been right about anything yet.
Putin knows he's losing, and that does not ake him happy.