John F. Kelly sworn in as new White House Chief of Staff

President Donald Trump (R) makes remarks to the press ashe looks to the new White House Chief of Staff John Kelly after he was sworn in, in the Oval Office of the White House, July 31, 2017, in Washington, DC. Kelly, a retired Marine Corps general and formerly secretary of the Department of Homeland Security, replaces Reince Priebus. Photo by Mike Theiler/UPI