We all lie a little bit - about our age, maybe our steroid use. I mean it's true we've bulked up recently, but it's from the protein shakes, alright? Protein shakes. Well over the past few years, scientists have been studying lying among a very particular group: children. And they think they've figure out how kids learn to lie in the first place - it's from watching grown-ups. Writer Po Bronson described this new lying research in an article for New York magazine, and he's here to explain more.