John Roberts, Carla Hayden, Colleen Hayden, Paul Ryan
Chief Justice John Roberts, left, shakes hands with the new Librarian of Congress Carla Hayden, left, after administering the oath of office during a ceremony in the Great Hall of the Library of Congress in Washington, Wednesday, Sept. 14, 2016. Hayden, a former Chicago children's librarian, is the first woman and African American to serve in the role. Holding the bible is Hayden's mother, Colleen, House Speaker Paul Ryan of Wis., applauds, second from left. (AP Photo/Pablo Martinez Monsivais)
