b'Pulitzer Prize-winning journalist and author Isabel Wilkerson explains the premise of her book, \\u201cCaste: The Origins of Our Discontents,\\u201d and points out that the United States continues to perpetuate a caste system designed by the country\\u2019s founders. Check out the book, now available in paperback.\\nLearn more about your ad choices. Visit podcastchoices.com/adchoices'