People hold signs and chant during a meeting of the North Allegheny School District school board regarding the district’s mask policy, Wednesday, August 25, 2021, at at North Allegheny Senior High School in McCandless, Pa. On Monday, a federal judge reinstated a mask mandate after a group of parents filed an injunction to require masks. Previously, the school board voted to overturn the superintendent’s decision to require masks, making them optional for everyone. The meeting was postponned because not all the audience wore masks. (Alexandra Wimley/Post-Gazette via AP)