Hours before First Lady Tammy Murphy announced her decision to quit the Senate race, she met with a handful of the most powerful county bosses in Newark on a Sunday morning. And that raises a question: Did the bosses press her to quit? Or did she do this on her own initiative, knowing she was likely to lose? Because the bosses have good reason to want this water torture to end. They are on the ropes now, with the dark workings of their machines exposed like never before. We all saw that they have too much power, and no regard for the will of the common voters. They tried to stuff Tammy Murphy …