An Oxford man convicted of sex trafficking is asking for a new trial, citing several trial errors — including one by a U.S. senator — that led to his conviction. William "Billy" Quinn, 57, filed a motion for a new trial Friday in Furnas County District Court. Quinn was found guilty of 13 counts of sexual assault and sex trafficking of a 15-year-old during a two-week trial last month in Beaver City. He was acquitted of one count of felony first-degree sexual assault. Quinn’s attorney, Joseph Howard of Omaha, filed the motion, alleging that, among other things, U.S. Sen. Ben...