More 2012: Tight in Massachusetts

ARIZONA: State Rep. Matt Heinz is staying in the race against former Gabrielle Giffords staffer Ron Barber.

MASSACHUSETTS: A Boston Globe poll finds incumbent Sen. Scott Brown and challenger Elizabeth Warren in a tight race, with Brown up 37%-35%, with 26% undecided.

NEW JERSEY: The special election date is set to replace Rep. Donald Payne (D-NJ).