WASHINGTON, DC – AUGUST 28: A U.S. Secret Service counter sniper team watches from the top of the Lincoln Memorial as U.S. President Barack Obama address the ‘Let Freedom Ring Commemoration and Call to Action’ honoring the 50th anniversary of the historic March on Washington for Jobs and Freedom August 28, 2013 in Washington, DC. The 1963 landmark civil rights event was where Dr. Martin Luther King Jr. delivered his famous speech, saying, ‘I still have a dream, a dream deeply rooted in the American dream…one day this nation will rise up and live up to its creed, “We hold these truths to be self evident: that all men are created equal.” I have a dream . . .’ (Photo by Chip Somodevilla/Getty Images)