Dwayne Johnson backs stuntman's film honoring Knievel jump

Before climbing into the cockpit of his steam-powered rocket and blasting off across the Snake River Canyon, daredevil Eddie Braun scribbled two things on his bare chest in marker.Blood type: O positive.Allergies: Penicillin.Useful information for the paramedics — in case his jump on Sept. 16, 2016, didn’t go as plannedBraun’s successful launch in an endeavor that nearly killed his idol, Evel Knievel , more than four decades earlier, serves as the backdrop for his new documenta