Cheney Backs End of Filibustering
Vice Pres Dick Cheney plunges White House into judicial confirmation battle by saying he supports changing Senate rules to stop Democrats from blocking Pres Bush's judicial nominees and would, if needed, provide tie-breaking vote; Sen Mitch McConnell says Republicans have votes to end filibustering; Sen Harry Reid accuses McConnell of bluffing and Pres Bush of lying when he told him he would not become involved in Republican efforts to break Senate rules (M)
