60 Minutes overtime. >> This week on 60 Minutes, our story is about the Sherpas of Nepal and our hike to Everest base camp. I guess you're always training in your world.Nema Renji Sherpa was our guide up to Everest base camp. He is also the person who holds the world record for being the youngest person to climb the world's 14 tallest mountains and he is an allaround amazing human being. >> When you go to Everest, you can feel the energy that you are so small.At that time you have to have a really like a li ...