U.S. defense chief sees partnership with John Bolton developing despite differences

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.
At an impromptu news conference on Tuesday,... Mattis said he looks forward to working with Bolton with "no reservations, no concerns at all".
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.
Bolton, who will replace H.R. McMaster on April 9th,... has previously advocated for overthrowing the North Korean regime, possibly by force if necessary.