from tmz...OJ Simpson and his two allegedly looting teammates -- Clarence Stewart and Charles Ehrlich -- have plead not guilty to twelve charges stemming from a September memorabilia heist in Las Vegas.Let the games begin! Defense attorneys were unable to get any of the charges dropped during a preliminary hearing -- especially the kidnapping charge -- which could bring a life sentence with the possibility of parole. The trial is set for April 7, 2008.