EDMONTON- Alberta’s highest court has dismissed a former Ontario truck driver’s bid for a third trial in the 2011 death of a woman in an Edmonton hotel. Bradley Barton was sentenced to 12-and-a-half years for manslaughter in the death of Cindy Gladue, a Metis and Cree woman who bled to death in a bathtub. Gladue, 36, was a sex worker Barton had hired for two nights. “The appellant was convicted of manslaughter. He appeals that conviction, arguing certain evidence should not have been admitted at trial,’’ said Monday’s decision by the Court of Appeal of Alberta. “We find no reviewable errors in the trial judge’s rulings on the admissibility of evidence.’’ Barton’s lawyers also argued the trial judge erred in part of his charge to the jury, but the three…