WASHINGTON (AP) - A Virginia man accused of plotting with al-Qaida to kill President Bush should be held indefinitely, federal prosecutors said Wednesday in court filings that also rejected his contention that he was tortured while held in Saudi Arabia. At a court hearing a day earlier in Alexandria, Va., 23-year-old Ahmed Abu Ali offered to display scars on his back as proof that he was tortured by Saudi authorities. In their filing Wednesday, prosecutors said, "There is no credible evidence to support those claims." Abu Ali never complained about his treatment during several meetings with an American diplomat in...