(Reuters) – Michael Phelps could win two or three individual gold medals at the 2016 Rio Olympics and again return home as America’s top swimmer, former U.S. swimming great John Naber believes. Already the most decorated Olympian of all-time with 18 gold medals, Phelps’ return to competition after a two-year retirement was greeted with apprehension and skepticism but the tide has quickly turned. While no one expects Phelps to come close to his eight gold […]