Olympic swimmer Michael Phelps, center, speaks as Maryland Governor Martin O'Malley, right, takes his photograph and modern pentathlete Suzanne Stettinius listens at left during a celebration of the achievements of Phelps and other Maryland Olympians, Monday, Sept. 10, 2012, in Baltimore. Phelps ended his Olympic career in London with six medals and a record tally of 22 career medals. (AP Photo/Steve Ruark)