While the sport of track and field constantly seems intent on shooting itself in the foot, yesterday the Court of Arbitration in Sport issued a ruling that should help the sport in spite of itself. The CAS ruling over turns the following IOC Regulation that was instituted on June 27, 2008: “The IOC Executive Board, in accordance with Rule 19.2.10 OC and pursuant to Rule 45 OC, hereby issues the following rules regarding participation in the Olympic Games: 1. Any person who has been sanctioned with a suspension of more than six months by any anti-doping organization for any violation of any anti-doping regulations may not participate, in any capacity,…