For John, BLUF: If you don't Register there will be no sanctioned crying afterward.
Last day [Today] to Register to vote for the Massachusetts Primary, and the last day to change your registration to Unenrolled to you can vote in someone else's Primary. Remember, if you just have an affiliation like the Pirate Party or Pizza Party you can still pull a Republican or Democrat Party ballot.
To check your party registration or re-register, go to www.sec.state.ma.us/OVR/. You can also check your registration or re-register at city Hall, Elections Office, in the Basement, SE Corder.
Regards — Cliff