WASHINGTON - The five-day workweek, an idea alien to congressional culture in recent years, is about to make a comeback. "We are going to work longer hours, we are going to work full weeks, we are going to have votes on Mondays and Fridays," new Senate Majority Leader Harry Reid (news, bio, voting record), D-Nev., advised his colleagues at the opening of the new session on Jan. 4. Other Americans, from teachers to police officers to factory workers, put in five days a week on the job, Reid said. "Shouldn't we here in Washington, where we do our business in...