Joe Cirincione is the president of Ploughshares Fund and the author of Nuclear Nightmares: Securing the World Before It Is Too Late.
Comment: War with Iran would be a painful and pointless disaster, writes Joe Cirincione.
Comment: For over 70 years, US policy has been to oppose the proliferation of nuclear weapons. But for Saudi Arabia, Trump appears to have broken with that, writes Joe Cirincione.
