The track coach Trevor Graham received a lifetime ban from the United States Anti-Doping Agency on Tuesday for his role in helping his athletes obtain performance-enhancing drugs. Graham has been barred from taking part in any event sanctioned by the United States Olympic Committee, the I.A.A.F., USA Track & Field or any group participating in the World Anti-Doping Agency program. He was convicted in May of one count of lying to federal investigators about his relationship to an admitted steroid dealer. He is awaiting sentencing and has asked a judge to toss out his conviction.Graham was already barred from U.S.O.C.-sponsored facilities and has been connected with several athletes involved ...