Demonstrators protest against the possible use of force in Syria as they watch the festivities of the 50th Anniversary of the "March on Washington" on the National Mall in Washington, DC on August 28, 2013. Tens of thousands attended the 50th Anniversary of the March that included King's famous "I Have a Dream Speech" from the Lincoln Memorial in 1963. President Barack Obama joined civil rights leaders and celebrities in celebrating the anniversary. UPI/Pat Benic.
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