79 years ago the first nuclear weapon was detonated in Los Alamos, New Mexico, in a test that ushered in the age of nuclear warfare. Since then, the US has been closer to nuclear war many more times than most Americans would guess. Should nucelar war come to pass…what would happen? Is there such a thing as being prepared? Annie Jacobsen’s new book is Nuclear War: A Scenario.  Jacobsen is the author of the Pulitzer Prize Finalist in History THE PENTAGON'S BRAIN, the New York Times bestsellers AREA 51, OPERATION PAPERCLIP, and other books.