Nepali climbers set world record at K2

A team of Nepali climbers has set a new world record by becoming the first to reach the summit of K2, the world's second highest mountain, in winter. Dozens of climbers this winter had hoped to achieve the same feat on the mountain that's often called "the savage mountain". Nita Blake-Persen speaks to Christine Jensen Burke, the only New Zealand or Australian woman to reach the summit of K2.