By Joseph Salvador The young fan’s mother burst into tears when the WWE star greeted her son in need. WWE superstar John Cena will forever be remembered as one of the greatest wrestlers in history, but his legacy as an even better human being will live in the hearts of countless children and fans. A video posted by the WWE went viral that shows Cena going the extra mile to visit a young fan in desperate need of some inspiration during a difficult time. Mish, a nonverbal teen with Down syndrome, was upset that he and his family had to flee their home in Ukraine due to the conflict from Russia’s…