Watch CBSN Live

Snapchatting climbers begin descent from Mt. Everest

We have dramatic new details about the harrowing climb up Mount Everest. Cory Richards is describing how he reached the world's highest peak -- without the help of supplemental oxygen. Climbing partner Adrian Ballinger was forced to make a life-or-death decision before reaching his goal. Dana Jacobson reports.
View CBS News In
CBS News App Open
Chrome Safari Continue