Better Safe Than SorryIn 2008, the iconic doomsday clock of the Bulletin of the Atomic Scientistswas set at five minutes to midnighttwo minutes closer to Armageddon than in 1962, when John F. Kennedy and Nikita Khrushchev went eyeball to eyeball over missiles in Cuba! We still live in an echo chamber of fear, after eight years in which the Bush administration and its harshest critics reinforced each other's worst fears about the Bomb. And yet, there have been no mushroom