the last year. and yours over here? mine will be number 17. welcome to 60 minutes on cnbc. i m steve kroft. the so-called great recession sparked by the financial crash of 2008 continues to impact the business practices of wall street and the lives of americans on main street. this edition examines the seismic shock of the economic collapse on american families and what many of them believed were their most unshakable investment vehicles: their homes and their 401(k) retirement savings plans. we begin today with the culture of wall street and the role that it played in the crash. if you had to pick someone to write the autopsy report on the wall street financial collapse in 2008, you couldn t do any better than michael lewis. he is one of the country s preeminent nonfiction writers with a knack for turning complicated, mind-numbing material into fascinating yarns. he wrote his first best seller, liar s poker, about his experiences as a young wall street bond trader when