By GREG BEACHAM AP Sports Writer LOS ANGELES (AP) — Reggie Bush has his Heisman back. The Heisman Trust reinstated the former Southern California tailback as the 2005 Heisman Trophy winner on Wednesday, citing fundamental changes in the structure of college athletics during the 14 years since Bush forfeited the trophy and the honor. Bush Read this story at KIFI , Daily Mail , WHNT.com , WKBN.com , The Independent