U.S., Iran to restart nuclear deal talks in Vienna

Representatives from the U.S. and Iran are set to meet in Vienna to try and restore the 2015 Iran nuclear deal after the Trump administration withdrew from the deal in 2018. Political scientist and professor at Columbia’s School of International and Public Affairs, Ian Bremmer, joins News NOW to explain whether a new deal could be reached and how the U.S. could respond if talks are unsuccessful.