Nuclear Security Analyst Joe Cirincione and former Deputy National Security Adviser Ben Rhodes join Andrea Mitchell to examine growing fears of nuclear disaster amid recent attacks on Ukraine’s Zaporizhzhia nuclear complex. “We don't have secure communications. We don't have secure power. The staff is operating at gunpoint. And of course, now we have shelling in and around the facility risking the structural integrity of the facility itself,” says Cirincione. “We are looking at a major release of radioactivity that will contaminate large parts of Ukraine and Russia itself.”  » Subscribe to MSNBC: http://on.msnbc.com/SubscribeTomsnbc About: MSNBC is the premier destination for in-depth analysis of daily headlines, insightful political commentary and informed perspectives. Reaching more than 95 million households worldwide, MSNBC offers a full schedule of live news coverage, political opinions and award-winning documentary programming -- 24 hours a day, 7 days a week. Connect with MSNBC Online Visit msnbc.com: http://on.msnbc.com/Readmsnbc Subscribe to MSNBC Newsletter: MSNBC.com/NewslettersYouTube Find MSNBC on Facebook: http://on.msnbc.com/Likemsnbc Follow MSNBC on Twitter: http://on.msnbc.com/Followmsnbc Follow MSNBC on Instagram: http://on.msnbc.com/Instamsnbc Shelling 'In And Around' Ukrainian Nuclear Facility Could Trigger ‘A Major Release Of Radioactivity'