'A pot of gumbo is a pot of America'

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None of his cooking student graduates until they can stare in to a cast-iron pot and identify the seven nations that make up a Cajun gumbo, says chef John Folse. He tells the BBC's Dan Saladino why he thinks it's so important to see that American people are like a pot of gumbo: all mixed up and delicious. (Image: Chef John Folse. Donald Bowers/ Getty Images)