H R McMaster

H. R. MCMASTER was Assistant to the American President for National Security Affairs and is currently a senior fellow at the Hoover Institution. He holds a Ph.D. in military history, was called one of the world's most influential eople by Time magazine, and authored the bestselling book Dereliction of Duty: Lyndon Johnson, Robert McNamara, the Joint Chiefs of Staff and the Lies that Led to Vietnam.