The Washington Marriott, Renaissance Dupont Circle and Washington Marriott Wardman Park Hotels Are Offering Tickets to the Dedication Ceremony of Martin Luther King, Jr. Memorial for Sunday, August 28, 2011 WASHINGTON, DC--(Marketwire - Aug 25, 2011) - The Martin Luther King, Jr. Memorial Project Foundation on Sunday, August 28th, 2011 will dedicate a monument on the National Mall to honor Dr. King,...