WATCH: An older man slaps an 18-year-old Turning Point Action volunteer during a heated exchange outside a New Hampshire polling location. Video shows the man

WATCH: An older man slaps an 18-year-old Turning Point Action volunteer during a heated exchange outside a New Hampshire polling location. Video shows the man flipping off the teenager, slapping him and shouting, “F*** you,” after the volunteer tells him he hasn’t provided any statistics to support…