H. R. McMaster, a retired Army lieutenant general, was President Trump’s national security adviser from 2017 to 2018 and is the author of “Battlegrounds: The Fight to Defend the Free World” (Harper, September 22, 2020).
H. R. McMaster, a retired Army lieutenant general, was President Trump’s national security adviser from 2017 to 2018 and is the author of “Battlegrounds: The Fight to Defend the Free World” (Harper, September 22, 2020).