In an exclusive interview with Salon, Senator Elizabeth Warren slammed Barack Obama over an apparent betrayal of the American middle class in favor of Wall Street. ...The question that set Warren off was asked by a jaded Obama supporter, who at one time felt that the President would tackle important issues, but failed to do so, which "frustrated" the author. "I understand your frustration, Tom and, actually, I talk about this in the book," Warren explained. She then lightly praised the President for what Warren perceives to be good work. But her tone took a quick turn. "He picked his...