Jason Fagone

Dan Baum, author of Gun Guys: A Road Trip, talks to Jason Fagone about the appeal of the AR-15 rifle, the link between gun love and social class, and how carrying a firearm changes the way you look at the world

Len Stanmore, 60, is currently in Antarctica, competing in one of the world's most grueling footraces. If he completes it, he'll not only be a one-time overweight retiree who got sick of the golf course, but also the first person to climb the Seven Summits, ski to both poles, and complete the 4 Deserts Grand Slam.