Nuclear arms are hideous, immoral weapons whose existence continues to threaten our civilization. To say, however, that Harry Truman should have sacrificed hundreds of thousands of American lives because of what happened in the nuclear arms race decades later is not only ahistorical, it is moral arrogance enabled from the safe distance provided by time and victory.

Tom Nichols is Professor of National Security Affairs at the Naval War College and an adjunct at the Harvard Extension School. His most recent book is No Use: Nuclear Weapons and U.S. National Security (University of Pennsylvania, 2014) The views expressed are his own. You can follow him on Twitter:@TheWarRoom_Tom.