[Washington, D.C., January 14. Image via Getty]

WASHINGTON - JANUARY 14: Fourth grade students of Watkins Elementary School sing 'We Shall Overcome' on the steps of the Lincoln Memorial January 14, 2010 in Washington, DC. The National Park Service held the event to mark the 81st birthday anniversary of Martin Luther King Jr. and to celebrate his life and legacy. (Photo by Alex Wong/Getty Images)