Obama, Former Presidents Commemorate 50th Anniversary Of MLK’s March On Washington

WASHINGTON, DC – AUGUST 28: U.S. President Barack Obama speaks during the Let Freedom Ring ceremony on the steps of the Lincoln Memorial August 28, 2013 in Washington, DC. The event was to commemorate the 50th anniversary of Dr. Martin Luther King Jr.’s “I Have a Dream” speech and the March on Washington for Jobs and Freedom. Alex Wong/Getty Images/AFP