AP Decision Notes: What to expect in the Massachusetts state primaries

WASHINGTON (AP) — Massachusetts Republicans will choose candidates to challenge U.S. Sen. Elizabeth Warren and U.S. Rep. Stephen Lynch in state primaries on Tuesday. The contests top the list of federal, state and local races that will be held across the commonwealth.

Warren is seeking a third term and is unopposed for the Democratic nomination. The possible Republican nominees are industrial engineer Bob Antonellis, Quincy City Council President Ian Cain or attorney John Deaton. Deaton...