Watch Live at 10:45 AM EST: The First Lady Surprises Visitors on White House Tour

On January 21, 2009, the President and First Lady entered the White House and signaled their commitment to creating a more open and accessible White House by surprising guests attending public tours. Two years later, approximately 1.5 million visitors have walked through the gates of the people’s house. Mrs. Obama is marking the second year by continuing this tradition today – taking some time to greet visitors as they come in for public tours for the third time.

Don't miss a live stream of the First Lady with Obama family dog Bo surprise White House visitors at 10:45 AM EST on