New State Senate President

State Senator Stan Rosenberg is preparing to become the State Senator Stan Rosenberg is preparing to become the next president of the Massachusetts Senate.  The Amherst Democrat said succession plans are in place. Over the weekend Senate President Therese Murray confirmed she's not running for re-election when her term expires at the end of the year.   In July, Rosenberg announced he had the votes lined up to win the leadership post. next president of the Massachusetts Senate.  The Amherst Democrat said succession plans are in place. Over the weekend Senate President Therese Murray confirmed she's not running for re-election when her term expires at the end of the year.   In July, Rosenberg announced he had the votes lined up to win the leadership post.