Ed Viesturs, known as "The Chevy truck ... how do you determine whether a client continues climbing or not? VIESTURS: When we're guiding here on Everest as in any guiding situation, we're always ...

David Breashears, Jangbu Sherpa, Pete Athans, Ed Viesturs, and Dave Carter left Base Camp this morning at 5:00 am for their summit attempt on Mt. Everest. In the twilight, they slipped through the ...