Would US leaders push the button? Wargames and the sources of nuclear restraint

Why since 1945 have nuclear weapons not been used? Political scientists have cited five basic reasons: deterrence, practicality, precedent, reputation, and ethics, writes Reid Pauly in International Security. 

Why since 1945 have nuclear weapons not been used? Political scientists have cited five basic reasons: deterrence, practicality, precedent, reputation, and ethics, writes Reid Pauly in International Security. 

Reid Pauly
November 9, 2018
MIT Press
https://www.mitpressjournals.org/doi/full/10.1162/isec_a_00333