Forget cake and candles. VW just celebrated 50 years of the Polo by handing the keys to Johan Kristoffersson, a seven-time rallycross champ, and letting him loose Gymkhana-style around their South African factory. From four-wheel burnouts on pallets to sideways action under cranes, the man drifts three generations of Polo like he's trying to bring Ken Block back from the dead. He switches between a Polo WRX, a WRC title-winning Polo R, and the all-electric 671-hp RX1e with enough torque to make