H.R. McMaster Resigns. John Bolton Named Trump's New National Security Advisor

Charging ahead with the dramatic remaking of his White House, President Donald Trump said Thursday he would replace national security adviser H.R. McMaster with the former U.N. Ambassador John Bolton, a foreign policy hawk entering a White House facing key decisions on Iran and North Korea.

"I am pleased to announce that, effective 4/9/18, @AmbJohnBolton will be my new National Security Advisor. I am very thankful for the service of General H.R. McMaster who has done an outstanding job & will always remain my friend. There will be an official contact handover on 4/9."