. >> it's lonnie quinn 2.0.tching the evolution. >> you should have gotten in at the beginning of facebook. >> how many times have we heard this story? >> man, oh man. >> lonnie quinn had an opportunity to get in on facebook at the beginning. before the ipo, by the way. >> you didn't embrace facebook, so embrace twitter right now. >> yes, that's exactly right. >> if jack dorsey approaches you for an investment, take it. he's the founder of twitter. >> i love rebecca. ,,,,,,,, >>> nashville, tennessee. hope you're feeling good this morning. hope the rest of you are feeling good. welcome to "cbs this morning saturday." i'm rebecca jarvis. >> and i'm jeff glor. coming up, a group of wounded war heroes about to embark on a seeming impossible task here. we'll talk to them about why they're climbing america's highest peak together. >> incredible men, incredible story. you don't want to miss it. >>> also a young girl from north carolina, she knows about overcoming hardships. she was abandoned by her parents, but she ne