Perhaps you heard about the latest hockey dad behavior, in which a maybe-well-meaning father shined a laser pointer in the eyes of the other team's goalie. But you probably hadn't heard that there's a long, fine tradition of shining lasers in pro athletes' eyes. Cristiano Ronaldo, naturally, gets it the worst. Josh Levin explains, on this week's excerpt from Slate's Hang Up and Listen podcast, now with exciting video action above!

You can listen to the full podcast here or subscribe on iTunes.

Video by Matt Toder.