Is time running out to save the Iran nuclear deal? What is the policy of the Biden administration? Should we be worried about a potential "Plan B" which doesn't rule out the use of force? Host Zhao Ying is joined by Anoush Ehteshami, Director of Institute for Middle Eastern & Islamic Studies at Durham University, Greg Barton, Professor of Global Islamic Politics at Deakin University and Peter Kuznick, Director of Nuclear Studies Institute at American University.