WASHINGTON -- Pressure from liberal activists to oppose confirmation of Judge Samuel Alito for the Supreme Court has been so intense that Democratic senators may be trapped into a filibuster that they do not want to wage -snip- But Senate Democratic Leader Harry Reid may not want to risk causing Senate Republican Leader Bill Frist to set a precedent by using the "nuclear" option: to end a filibuster by simple majority vote. Continues... ============================================================ Democrats suffer broken backs; Alito hearings blamed "The system's kind of broken," says Sen. Joe Biden. The "system" of "kind of" confirmation hearings. But Biden says...