State representative Ruth Balser;
state senator Mike Rodrigues;
former state representative James Segel;
David Simas, a former policy adviser to Governor Deval Patrick;
state senator James Timilty; and
state representative James Vallee,
may also seek the Democratic nomination
politics1 and Green Papers have Marty Farren, Paul Heroux, Jules Levine, and Herb Robinson running on the Democrat side; Sean Bielat and Elizabeth Childs on the Republican.
Frank beat Bielat 54-43 in ‘10; it’s not a safe seat necessarily although you’d have to say Democrat favored.
The lines are slightly different in ‘12. I had taken a look at it some time ago.