Sabrina Khan-Williams, the “team leader/diversity, equity & inclusion teacher” in the World Studies department of Tilden Middle School, contends in social media posts that Hamas’ paragliding attack on a rave was a hoax. “Debunked!! No music festival attack. Babies were not burned. Women were not violated,” she wrote on Facebook. “Palestinian’s [sic] are being killed and their organs are being sold,” wrote Khan-Williams, who teaches in Bethesda, Maryland, which has a significant Jewish population. Christopher Cram, a spokesman for MCPS, would not explain what the role of a “Diversity, Equity and Inclusion Teacher” was, or how “inclusion” could encompass Khan-Williams’...