USA - Politics - Supreme Court Associate Justice Kagan Investiture Ceremony

Outgoing White House Chief of Staff Rahm Emanuel (L) greets his interim successor Pete Rouse (R) as U.S. President Barack Obama looks on in the East Room of the White House in Washington. Emanuel is stepping down to run for mayor of Chicago. Justice Elena Kagan walks down the steps of the Supreme Court with Chief Justice of the United States John Roberts following her formal investiture ceremony in Washington (Photo by Brooks Kraft LLC/Corbis via Getty Images)