After a massive manhunt, Nashville police report the arrest of an Illinois man sought for the killing of four people at a Waffle House restaurant. Here’s your Chicago Public Square audio update. Listen below, or on Amazon’s Alexa-powered speakers*, iTunes or your favorite podcast player. * Even if you don’t have an Alexa smart speaker, you can turn iOS and Android phones into Alexa devices for free—a low-impact way to experiment with the technology.