15 of 54: As Cory Booker, Mayor of Newark, N.J., speaks at a rally to commemorate the 50th anniversary of the 1963 March on Washington on the steps of the Lincoln Memorial, Rep. Steny Hoyer, D-Md., listens on Saturday, Aug. 24, 2013, in Washington. (AP Photo/Carolyn Kaster) (Photo/Carolyn Kaster)

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