Standing in the way of slop bowls: the woman blocking food delivery robots

Semi-retired professor Carolyn Marvin became a local celebrity facing down Philadelphia’s growing robot delivery army: ‘It’s my first amendment right to protest’“One of you needs to be on the lookout for cops, while I block the robot, OK?”It is a crisp fall morning in Philadelphia. Tucked away in a dingy alley, opposite a garage called Patriot Parking, 78-year-old Carolyn Marvin is laying out some ground rules for a…