Three officials within the U.S. Secret Service’s communications office – including the agency’s top spokesman, Anthony Guglielmi – have been removed from their posts and stripped of their security clearances as investigators examine how classified or sensitive information reached the press, according to multiple sources familiar with the matter. The three were escorted from Secret Service headquarters in Washington, D.C., on Monday and formally designated “do not admit,” meaning they are barred from entering agency facilities, two sources told RealClearPolitics, which first reported on the suspensions. One of those sources said both the FBI and CIA are participating in the...