WHAT makes a successful real estate developer in New York

Ambition, vision, insight, timing and, equally important, personal charm. At least this is the case with Donald Trump, whose name appears on many of the most prestigious buildings in New York. Gwenda Blair, author of "Donald Trump," tells a fascinating tale of the up and down career of Donald Trump, the American business icon. Blair provides insights about the family relationships and friendships that shaped Trump's personality and his business.