President Barack Obama speaks at the dedication of the Martin Luther King Jr. Memorial Sunday, Oct. 16, 2011, on the National Mall in Washington. (AP Photo/Carolyn Kaster)
Photos: The Dedication of Dr. Martin Luther King Jr. Memorial
Photos: The Dedication of Dr. Martin Luther King Jr. Memorial
President Barack Obama speaks at the dedication of the Martin Luther King Jr. Memorial Sunday, Oct. 16, 2011, on the National Mall in Washington. (AP Photo/Carolyn Kaster)