A Massachusetts State Police trooper suffered minor injuries Wednesday when he and his cruiser were side-swiped by a tractor-trailer on Interstate 495 in Hopkinton. The incident happened at 10:29 a.m. in the northbound lanes prior to the Massachusetts Turnpike exit. Sign up for our Newsletters The lieutenant was outside of his cruiser checking on another tractor-trailer that was stopped on the side of the road when the oncoming tractor-trailer...