On the 21st: An encore of our discussion with best-selling author Daniel Levitin about how to tell the difference between truth and lies on the internet. Plus, we met Central Illinois photographer Larry Kanfer and discussed his new book.

On the 21st: We talked to baseball historian and African-American history professor Adrian Burgos, Jr., about the dwindling number of black players in baseball. Plus, we heard from author Luvvie Ajayi about her new book, "I'm Judging You: The Do-Better Manual."