When Soviet leader Mikhail Gorbachev declared a unilateral moratorium on the testing of nuclear weapons, which would begin on August 6, 1985-the 40th anniversary of the atomic bombing of Hiroshima-the Reagan administration dismissed the dramatic move as nothing more than propaganda, and refused to follow suit.
Sagan was also a vocal advocate of the controversial notion of testosterone poisoning, arguing in 1992 that human males could become gripped by an "unusually severe [case of] testosterone poisoning" and this could compel them to become genocidal [REF].