Edward Teller was a theoretical nuclear physicist, an early participant in the Manhattan Project and a leading proponent of developing the hydrogen bomb. He continued to work on the U.S. government's nuclear program throughout his career. In this short interview he touches on the nuclear strategy of the Reagan Administration. He supports the president's Strategic Defense Initiative (SDI), and briefly discusses both its defensive and offensive capabilities. He criticizes the ineffectiveness of the INF treaty on its own, but acknowledges its strengths when combined with other factors, namely SDI and support from European allies. He argues that the Reagan Administration has reformed U.S. nuclear strategy, moving away from mutual assured destruction ("a cruel and senseless policy), and has thereby "created conditions for peace." He briefly comments that the best critic of SDI is Freeman Dyson.