If you are in Massachusetts and undecided, read this article by Dorothy Rabinowitz in the Wall Street Journal. Rabinowitz has written many columns about the unjust persecution and prosecution of the Amiraults. If you don't remember the case, read about it. It shows how then District Attorney Martha Coakley helped convict a family purely for political gain.
She didn't deserve to be DA then and she doesn't deserve to be a senator now.