Lady Gaga Performs At Inaugural Ball

Lady Gaga Performs At Inaugural Ball
President Barack Obama and first lady Michelle Obama arrive to dance together at an Inaugural Ball, Monday, Jan. 21, 2013, at the Washington Convention Center in Washington, during the 57th Presidential Inauguration. (AP Photo/Carolyn Kaster)

The parties are over in Washington DC, with Lady Gaga performing at the last inaugural ball last night. ABC's Sam Donaldson shares his reactions to the president's speech.