Quick, anyone who’s seen The Eiger Sanction, that 1975 Clint Eastwood cliffhanger, raise your hand! Thought so. Now, anyone who’s seen someone climb a 13,000 foot mountain without safety equipment, step forward. Right, now, who’s seen a man jump off that same mountain? Exactly. Dean Potter, the 38 year-old American daredevil is in pretty select company. I mean, mountains were made for jumping off, with nothing more than a skimpy parachute!