From Truman to Trump, presidents have had to grapple with the issue of weapons of mass destruction. Here the author of the Pulitzer Prize finalist The Insurgents takes us into the White House Situation Room, the Joint Chiefs of Staff's "Tank" in the Pentagon, and the chambers of Strategic Command to bring us the untold stories—based on interviews and previously classified documents—of how America's presidents and generals have thought about, threatened, and just barely avoided nuclear war from the dawn of the atomic age until today.