Manifest Destiny is a term you hear a lot when you're learning about the history of the United States in the nineteenth century. But what is it, really? Several experts weigh in. You'll hear from Steve Inskeep, Matthew Raffety, Amy Greenberg, Gene Allen Smith, and Brian Rouleau--and then you'll hear a lot more from us on this season of Consolation Prize, where our first several shows will be dedicated to the consuls who went forth during the era of Manifest Destiny.