Joining us now, NBC News chief White House correspondent, Peter Alexander. NBC News foreign correspondent Danielle Hamjin and former US ambassador to Ukraine, Bill Taylor. He's a distinguished fellow at the Atlantic Council's Eurasia Center.Peter, I want to go to you first. What's the latest on preparations for the Putin Zilinsky summit considering the Kremlin is now slowwalking it. >> Yeah, Ally, it's a good question and heading into the break, you referred to this as sort of a TBD to be determined.I think ...

How vulnerable is the Iranian regime at this point. Well, after 46 years of rule, the Islamic Republic is probably at its weakest moment that it's ever been. I mean, the past few days of Israeli attacks on the Islamic Republic have not only been a significant operational and strategic weakening of this regime, but also a significant psychological weakening of this regime.Ali Khamenei has ruled this country without elections as a one man show, really for 30 years. And the generals who rise up in his armed fo ...