FILE - In this Tuesday, Sept. 24, 2013, file photo, Curt Viebranz, president and CEO of George Washington's Mount Vernon Estate, poses in the new Fred W. Smith National Library for the Study of George Washington in Mount Vernon, Va. Viebranz expects between 10,000 and 15,000 people to visit the estate on Monday, Feb. 20, 2017. (AP Photo/Jacquelyn Martin, File)