"Trump Card" is the dramatic story of the difficult birth of American nuclear deterrence - a global strategy that has worked for more than a half century. Of the critical lessons of that technological birth the most important is the necessity of maintaining absolute credibility - credibility that many fear has been eroding. As in the Old West, for deterrence to work, the bad guys must not only believe that the sheriff is a very good shot but that he will not hesitate to pull trigger. Bluffing is fatal. Today fourteen US nuclear submarines, the boomers, cruise on rotation somewhere beneath the...