U.S. Defense Secretary James Mattis has acknowledged that he and President Trump's incoming national security advisor John Bolton might have different world views, but he expects them to develop a working partnership.<br /> At an impromptu news conference on Tuesday,... Mattis said he looks forward to working with Bolton with "no reservations, no concerns at all". <br />While the two have never met before,... he said he expects the former U.S. ambassador to the UN to visit the Pentagon soon,... calling it a start of a partnership. <br />Bolton, who will replace H.R. McMaster on April 9th,... has previously advocated for overthrowing the North Korean regime, possibly by force if necessary. <br />
