New Jersey governor warns residents 'don't be a knucklehead' after the state opened state parks and golf courses

7:37am PDT - May 4th, 2020    memorial day - Business Insider

• New Jersey Gov. Phil Murphy has a warning for residents as he opens state parks and golf courses: "Don't be a knucklehead."
• Murphy made the warning in a new road sign campaign, in addition to his comments this weekend that he will be watchin…