By Deborah COLE Ten-year-old Nathaniel squeezes his eyes shut, straightens his back and sucks in his breath as he plunges backward from the reinforced steel roof of a stunt car. The stacked blue mats that catch his fall release a loud hiss as two burly men give the blond primary school pupil high-fives for his successful first attempt at being an action hero. While the actors’ and writers’ strikes in Hollywood freeze up film production […]