Attempting to climb K-2

A local scientist and experienced mountain climber was attempting to scale K-2, until 11 climbers lost their lives in one of the worst recent climbing tragedies. Mike Farris explains the mountaineer's desire for altitude and the risks involved in its pursuit.

Mike Farris: High-altitude climber and biology professor at Hamline University, who teaches seminars on high-altitude human biology. His latest book is "The Altitude Experience: Successful Trekking and Climbing above 8,000 Feet."