1. Not sure he is in the new 5th district. (He was in the old one, which is Tsongas's district, I think
There will be plenty of candidates, some of them already known:
Carl Sciortino, state representative from Medford and a favorite of young progressives, has announced his candidacy and started raising money into a federal campaign account.
State Senator William Brownsberger of Belmont has also opened a federal account and established a placeholder web page. "We want to make sure, job one, Ed Markey gets elected," Brownsberger says. "If he does get elected, I will run for the seat."
And State Senator Katherine Clark of Melrose opened a federal account and declared her own candidacy this past Friday.