Debates over critical race theory take over a town in Michigan. Plus, why breakthrough coronavirus infections do not mean that our vaccines aren’t working.Read more:Traverse City, Mich., is a microcosm of the critical race theory debates taking over school systems across the country. The debates in the town came after the school board decided to fast-track an equity resolution, after students held a fake slave auction over Snapchat. Reporter Hannah Natanson went to Traverse City to understand what White parents think of the resolution and racism in the town, as well as how students feel.Within the past few weeks, positive coronavirus test results have been delivered to some high-profile fully vaccinated people: New York Yankees players, Olympic gymnast alternates and state lawmakers from Texas. Ben Guarino reports on why such breakthrough infections are to be expected — and why they don’t imply that vaccines are widely failing.