Ernesto Zedillo, former President of Mexico and current member of The Elders, joins Press the Button for an exclusive interview on The Elders' efforts to reduce and eliminate nuclear threats, and why the nuclear issue is so important 75 years after the bombings of Hiroshima and Nagasaki. Early Warning features Sharon Weiner of American University on the Biden administration's decision to propose full funding for new nuclear modernization programs. Our senior program officer/nuclear field coordinator John Carl Baker answers a question on fallout shelters.