Former high school government teacher and host of the "Here's Where It Gets Interesting" podcast, Sharon McMahon, author of "The Small and the Mighty," profiles lesser-known Americans who have changed the course of American history. During the interview, Ms. McMahon talks about the contributions of retail pioneers Richard Sears and Alvah Roebuck, former slave and philanthropist Clara Brown, Japanese American politician Norman Mineta, Founding Father Gouverneur Morris, and others.    

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