Senator Arlen Specter, the chairman of the Senate Judiciary Committee, said today that his panel would hold confirmation hearings next week for two of President Bush's nominees for federal judgeships, who had been blocked earlier by Senate Democrats. Mr. Specter said the committee would hold a hearing on Tuesday for William G. Myers III, a nominee for the Court of Appeals for the Ninth Circuit, and on Thursday for District Judge Terrence W. Boyle, a nominee for the Court of Appeals for the Fourth Circuit. "I have a commitment to the president to give his nominees prompt hearings and to...