On this special encore edition of The 21st: How are schools looking at mindfulness and meditation to help students succeed? Plus, we'll learn how local educators in southern Illinois are teaching the Trail of Tears, which ran through that part of the state. But first, we talk to Microsoft director Eric Horvitz about the future of artificial intelligence.

On the 21st: We discussed how the Obama Presidential Center fits into the Jackson Park community in Chicago. Plus, we spoke with the director of the Illinois Department of Public Health about the importance of vaccinations and revisited our conversation about what the new Trail of Tears sites in Illinois mean for Native Americans today.

On the 21st: An immigration lawyer and a constitutional law scholar answered questions about what states can and can’t do regarding immigration enforcement. Plus, we spoke with the president of the Illinois Trail of Tears associations on three sites being added to the National Register of Historic Places. 

Steve Inskeep has written a new book: Jacksonland: President Andrew Jackson, Cherokee Chief John Ross, and a Great American Land Grab. We talk with Inskeep about his new book, and the lessons within for today.