This 12-Year-Old Parkour Athlete Will Amaze, Terrify You

I will freely admit that Robbie Griffith is much cooler than I was at age 12. For me, a slammin' day in the seventh grade involved consuming Frosted Mini-Wheats while watching Animaniacs. Griffith, on the other hand, prefers to execute flawless tuck-and-rolls on punishing concrete and hurdle over the deep chasms between buildings. Griffith, who goes by the street name "Wee Beastie," is the youngest-ever member of Parkour Generations, a London-based organization devoted to furthering the ur...