Beads of sweat drip down his brow, gasps of air drone out the crowd, and Erick Gonzalez (11) races down the field as he catches sight of the rubber ball whizzing through the air.  With only a ball,...

With fingers firmly wrapped around the wheel and a steady foot on the gas pedal, the driver bounces his eyes methodically to survey his quickly changing surroundings—the track, the speedometer and the...