WASHINGTON (AP) - Attorney General John Ashcroft remained hospitalized Saturday in an intensive care unit for treatment of a severe case of gallstone pancreatitis, a serious and painful abdominal illness. Justice Department spokesman Mark Corallo said Ashcroft was being treated with antibiotics and painkillers. Corallo said there has been no change in his condition. Doctors were still evaluating the attorney general and awaiting results of tests before deciding on their next steps, which could include surgery. Pancreatitis is treated with antibiotics and fasting, and often clears up after a week or so. But in some cases, surgery is required. In...