Chicago Public Schools canceled classes for three consecutive days this year, following a vote by the teachers union to defy in-person teaching orders amid a rise in COVID-19 cases. The union wants additional safety measures in place as teachers and students return to school. Meanwhile, Chicago Mayor Lori Lightfoot said the union’s actions are “illegal,” and the public schools system said the refusal to teach in-person amounted to a strike.  How will the showdown end? And when will students get back into the classroom? Guest: Sarah Karp, education reporter at WBEZ in Chicago. If you enjoy this show, please consider signing up for Slate Plus. Slate Plus members get benefits like zero ads on any Slate podcast, bonus episodes of shows like Slow Burn and Dear Prudence—and you’ll be supporting the work we do here on What Next. Sign up now at slate.com/whatnextplus to help support our work. Learn more about your ad choices. Visit megaphone.fm/adchoices