Link , Link , Link , Link , Link , Link , Link , Link , Link , Link , Link , Link , Link , Link , Link , Link , ["President Trump has really made political theater a core part of how he uses unilateral power," Jon Rogowski, an American politics professor at the University of Chicago, told ABC News. "He wants to make sure people know he has taken action that’s consistent with the kinds of campaign promises that he made when he was running for office."]