Before the week is done, one of the longest single "days" in the history of the Senate is expected to finally come to an end. Amid a long-running dispute over decades-old filibuster rules, Senate leaders have used a parliamentary trick to leave the chamber in a state of suspended animation - in reality adjourned since Jan. 5 but officially considered in a long recess that's part of the same individual legislative day. This nearly three-week break has taken place in large part so leadership could hold private negotiations to consider how to deal with a group of Democrats agitating to...