Why We Compete has been updated with its latest installment. This one’s about BASE jumping. Why We Compete: Adrenaline Edge of your seat rush, that’s for sure.

Kevin Streelman arrived, as always, by car. He placed his Callaway golf clubs in the trunk of his Toyota Camry parked outside his condo in Scottsdale, Ariz., wasted two hours in Phoenix rush hour and then drove 300 miles northwest to Las Vegas. He stopped only once, for gas. Streelman already had logged almost 6,000 [...]