how they've been demonized and how walters have been demonized as being horrible human being, and prima donas isn't that true of every business where people end up being successful? if you look at actors, and prima donors. there's so much attention to the money on wall street. no one complains about the guys out west. >> money is transformative. the difference with wall street is that their misbehaviour affects millions of people. if someone on silicon valley, or the jets screws up, they are not getting people foreclosed on. they are not costing people their jobs or their 401 ks. wall street has an effect on the rest of their country, touching everyone's lives, and that's why people get angry when the financial sector screws up. >> your book is discussion, including a social media posing that harmeli aregawi pulled up. >> we were having fun with the goldman saks twitter account. he likes your book, but said this about the people you profiled: >> that's an interesting question and i talk about this in the book. there's an inherent selection bias, these are people who agreed to talk to me to pu