Chicago schools shut down in a dispute between teachers and administrators. Arne Duncan teases a potential mayoral run. Remembering Jan. 6. And Lightfoot vows a reset on crime in 2022.

The police union is in a standoff with the mayor over vaccine mandates. Remap proposals are drawing ire from all sides. Rahm Emanuel, at his confirmation hearing, apologizes for Laquan McDonald. And the city celebrates the Sky.