First lady Michelle Obama visits Decatur House

First lady Michelle Obama reacts as she surprises schoolchildren from Willow Springs Elementary School in Fairfax, Va., before they performed part of a play at the Decatur House, a National Trust for Historic Preservation Site and home to the David M. Rubenstein National Center for White House History, in Washington, Wednesday, May 22, 2013. The events were part of an announcement of a major philanthropic effort to preserve the Decatur House.1.