Museum Of American History: A Gem Gets Polished [audio 3 min 19 sec]

The National Mall in Washington, D.C., is set to regain a star attraction Friday, as the Smithsonian's National Museum of American History reopens after a two-year renovation. It took $85 million and a horde of curators, builders, architects and advisers to reframe space for the museum's 3 million historic objects.