Douglas Robbins Jr. of Lynn crashed into the icy waters of Revere Beach for the Special Olympics Polar Plunge Saturday. Trailing behind was his 11-year-old son, Douglas III. (Spenser Hasak)
Fresh from an ocean dip off Revere Beach, Philip Ranieri hustled to the warmth of a nearby tent. Shivering from the cold, he still couldn’t help but smile. “It was…