A Northwest Airlines flight from Minneapolis to Boise, Idaho, made an unscheduled landing here Tuesday after an apparently intoxicated passenger became unruly and assaulted others on board, a federal aviation official said. John Kinney, acting federal security director in Billings, said Flight 1279 landed at Billings Logan International Airport shortly after 1 p.m., and that a female passenger was removed and taken into custody. He said the flight was on the ground for nearly 1-1/2 hours before resuming. The woman's name was not immediately released and charges were not immediately filed. Kinney said the plane was over Montana when the...