Sonia Chang-Diaz Announces Run for Governor of Massachusetts

It's official:  state Senator Sonia Chang-Diaz (D-Jamaica Plain) is running for governor of Massachusetts. Diaz is the third Democrat to announce a run for what is currently Governor Charlie Baker's corner office in the Massachusetts State House. The others are Harvard political scientist Danielle Allen and former state Senator Benjamin Downing (D-Pittsfield).

It's official:  state Senator Sonia Chang-Diaz (D-Jamaica Plain) is running for governor of Massachusetts. Diaz is the third Democrat to announce a run for what is currently Governor Charlie Baker's corner office in the Massachusetts State House. The others are Harvard political scientist Danielle Allen and former state Senator Benjamin Downing (D-Pittsfield).…