Samford University’s top student leaders were recognized April 28 at the annual leadership and service convocation. Rich Havard, of Gloster, Miss., won the James M. Sizemore Award as the senior student who best demonstrates character, personality, scholarship and unselfish service to Samford. Marshall Pollard, of Apopka, Fla., won the John R. Mott Award as the man in the graduating class…