Putin's Threats to Use a Nuclear Weapon in Ukraine?

Ali Velshi is joined by Ruth Ben-Ghiat, Professor of History at NYU,  Jocelyn Benson, (D) Michigan Secretary of State, Lt. Gov. Mandela Barnes (D- Wisconsin), Ernest Moniz, Co-Chair & CEO of Nuclear Threat Initiative, Michael Steele, Fmr. RNC Chairman, Joe Walsh, Fmr. Rep. Republican Congressman, Lt. Col. (Ret) Alexander Vindman, Fmr. NSC Director for European Affairs, Eddie Glaude, Jr., Professor and Chair, Dept. of African American Studies, Princeton University, and Reza Aslan, NYT Best-selling Author, ‘Beyond Fundamentalism: Confronting Religious Extremism in the Age of Globalism’.