A housing bubble bursts, Wall Street trembles, and sellers and buyers a like are watching the housing market with great concern. Business Nation goes to Miami, where speculators have gone from flipping condos to flipping out. Diana Olick profiles the city’s wealthiest developer and tells the story behind the real estate boom – and bust.

A fascinating look at a new breed of rocket men, with money to burn. They made billions in real estate and cyberspace and now "Thrillionaires" -- wealthy business tycoons like Richard Branson, Paul Allen, and Jeff Bezos want to conquer outer space. Business Nation goes inside this new space race with two of space cowboys, Robert Bigelow and Elon Musk, who are investing millions in these audacious ventures.  Dylan Ratigan is the correspondent.