Rocky Mountain High, Resignation, Spielberg

|Denver, Colo., has more medical pot dispensaries than Starbucks, but the budding business, legal in 17 states, defies federal laws; Also, Anderson Cooper talks with Greg Smith, who publicly resigned in scathing op-ed, says investment bank's unethical culture threatens firm's future; And, stories from Steven Spielberg's early years -- including his parent's divorce and being bullied.

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