We won't negotiate under pressure. The words of Iran's top leader after Donald Trump offered to talk about its nuclear programme. The US President threatened war would be the alternative. So, is a nuclear deal with Iran possible? And if so, on what terms? In this episode:  Heino Klinck, former U.S. Deputy Assistant Secretary of Defense. Hamid Reza Gholamzadeh - Director of the House of Diplomacy, a think tank. Ali Vaez, Director of the Iran Project at the International Crisis Group. Host: James Bays Connect with us:@AJEPodcasts on Twitter, Instagram, Facebook