Vladimir Putin announced today that Russia is suspending its participation in the new START nuclear arms reduction treaty. US Secretary of State Antony Blinken called the decision "deeply unfortunate and irresponsible." Joining Julia to discuss is Ben Judah, director and senior fellow at the Atlantic Council and author of Fragile Empire: How Russia Fell in and Out of Love with Vladimir Putin.\xa0\nTo learn more about how CNN protects listener privacy, visit cnn.com/privacy\nLearn more about your ad choices. Visit megaphone.fm/adchoices