Steve Kerrigan's breathalyzer registered 0.089 after a Southborough traffic stop, just above state's 0.08% legal limit, court records show.
https://www.foxnews.com/politics/massachusetts-democratic-party-chairman-admits-sufficient-facts-june-drunken-driving-case
https://www.foxnews.com/politics/massachusetts-democratic-party-chairman-admits-sufficient-facts-june-drunken-driving-case