Stephen Lynch seems to think so. Of course, his ascension to the house of solons would require John Kerry to be appointed Secretary of State or something. But he's got $1-million+ burning a hole in his bank account and running in a special election would mean he gets to stay in the House when he loses, so why not?
On the Republican side, "party leaders and consultants" are actually chatting up Bill Weld. Bill Weld? When did they repeal the residency requirement for running for statewide office?