Trump and Bolton have disagreed over policy decisions about negotiations with Taliban and ending Afghanistan. Bolton has long been critic of Iran and he asked Pentagon last year to provide White House with options for military strikes against the country. ..…

Bolton has been sidelined during number of key policy and security initiatives, including peace negotiations with Taliban that Trump called off on Saturday. ..…

Some administration officials, including national security adviser John Bolton, did not back the agreement with the Taliban as it was written, a U.S. official familiar with the negotiations said. They didn't think the Taliban can be trusted. Bolton advised the president to..…

Most recently, Bolton had advised the president against meeting he had planned with Taliban at Camp David to complete negotiations to end Afghanistan. ..…