Tom Nichols is Professor Emeritus of National Security Affairs, US Naval War College, and a staff writer at The Atlantic. He is the author of The Death of Expertise (Oxford 2017), No Use: Nuclear Weapons and US National Security (2013), and Eve of Destruction: The Coming Age of Preventive War (2008). He is also an instructor at the Harvard Extension School and an adjunct professor at the US Air Force School of Strategic Force Studies. He is a former aide in the US Senate and has been a Fellow of the International Security Program at the John F. Kennedy School of Government at Harvard University.