My thought was Al Gore.
http://www.whitehousedossier.com/2017/03/27/trump-schedule-tuesday-march-28-2017/
Trump Schedule || Tuesday, March 28, 2017
Posted on March 27, 2017, 7:44 pm by Keith Koffler 2 Comments
10:30 am || Receives his daily intelligence briefing
11:00 am || Hosts a listening session with the Fraternal Order of Police; Roosevelt Room
2:00 pm || Signs and executive order rolling back an Obama power plant carbon emissions rule