It is 90 seconds to midnight

Stimson Center

Michael Krepon, co-founder of the Stimson Center think tank, shows an aerial picture taken by the US military in the days after the first atomic bomb was dropped on Hiroshima on August 6, 1945. The institution later gifted the photos to the Hiroshima Peace Memorial Museum. (Photo credit: NICHOLAS KAMM/AFP via Getty Images)

Michael Krepon and the gift of meaningful work

By Jeffrey Lewis | Nuclear Risk, Special Topics