He's going to free fall 25,000 feet into a net

SIMI VALLEY, Calif. -- He’s made 18,000 parachute jumps, helped train some of the world’s most elite skydivers, done some of the stunts for “Ironman 3.” But the plunge Luke Aikins knows he’ll be remembered for is the one he’s making without a parachute. Or a wingsuit. Or anything, really, other than the clothes he’ll...