John Robert Bolton (born November 20, 1948) is an American lawyer and diplomat. He was the 27th United States National Security Advisor from April 9, 2018 through September 10, 2019. He has served in several Republican administrations. Bolton served as the U.S. ambassador to the United Nations from August 2005 until December 2006 as a recess appointee by President George W. Bush. John Bolton advocated the second war with Iraq. He resigned in December 2006.
On September 10, 2019, Bolton turned in his resignation to the Trump administration.
- Jennifer Senior (January 1, 2006). "Bolton in a China Shop". New York.
- Trump, Donald [@realDonaldTrump] (March 22, 2018). "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" (Tweet). Retrieved March 22, 2018 – via Twitter.
- @realDonaldTrump (September 10, 2019). "I informed John Bolton last night that his services are no longer needed at the White House. I disagreed strongly with many of his suggestions, as did others in the Administration, and therefore..." (Tweet) – via Twitter.