Stephen King knows as much as anyone really can know about the power fear has over people. In terms of politics, fear is an incredible weapon since it can't -- unlike the fictional fear he deals in -- be placed under what the 65-year-old author calls a "glass lid." This fear, especially the fear of the other, was on King's mind when I spoke with him by telephone before Thanksgiving ahead of his December 7 appearance at UMass Lowell