President Trump says he made a mistake. Mayor Emanuel’s not satisfied. And is Twitter a little less tweety lately? This is your Chicago Public Square Newscast. Listen here, or on Amazon’s Alexa-powered speakers*, iTunes or your favorite podcast player. Enjoying these newscasts? Keep them coming by joining The Legion of Chicago Public Squarians. * 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.