Mary Robinson, former President of Ireland, and Ban Ki-moon, former secretary-general of the United Nations, join Press the Button for a wide-ranging conversation on nuclear weapons and climate change, the twin existential threats facing the world today. Robinson is Chair and Ban is Deputy Chair of The Elders, a group of independent global leaders working together for peace, justice and human rights. Early Warning features our Senior Program Officer/Nuclear Field Coordinator John Carl Baker and Mana Mostatabi of the National Iranian American Council analyzing the political and cultural ramifications of US policy toward Iran, and how the anti-war movement has responded to the threat of war.