If passed, the ballot question would replace party primaries in Massachusetts with an "all-party" or "jungle primary" system in which all candidates — Democrats, Republicans, etc. Powers says all-party primaries would effectively give business interests and Republican voters — about 8% of registered voters in the state — more influence in Massachusetts. "We're worried about being swamped under money," Powers said. " "We're worried about being swamped under money," Powers said. " — Why did MBTA General Manager Phil Eng say summer is the best time to shut down subway lines for maintenance?