WWE Legend “Superstar” Billy Graham Hospitalized from www.wrestlinginc.com: (Marc Middleton) WWE Hall of Famer “Superstar” Billy Graham is currently hospitalized at the Mayo Clinic in his hometown of Phoenix, Arizona. Graham took to Facebook on Sunday night and announced that he was dealing with heart problems, titling the post, “Atrial Fibrillation.” He noted that he was headed to the Mayo Clinic to get checked out, and expected to be admitted as he was not feeling well. Graham’s page was then updated on Monday with a message from his wife Valerie, who noted that Graham was hooked up to IV lasix…