The City of Jacksonville has announced that Dr. Sampson Davis, M.D., a highly skilled emergency medicine physician, New York Times best-selling author, and frequent medical expert on TODAY and CNN, will serve as keynote speaker at the 29th Annual Martin Luther King, Jr. Breakfast, presented by Florida Blue. The breakfast, held to celebrate the life, legacy and service of Dr. King, will be held Friday, Jan. 15, 2016, at the Prime Osborn III Convention Center.