Donald Trump "is a world class narcissist," says David Cay Johnston. The Pulitzer Prize-winning journalist doesn't pull any punches about the Republican presidential nominee in the new book, "The Making of Donald Trump." Johnston follows the document trail from Trump's start as a trust fund kid to his gold-plated business successes and finally, to Trump's litigation and financial troubles. Johnston, who calls Trump "a pioneer of self-promotion" joins us to talk about the details of Trump's colorful financial history.