A Palm Beach County school principal whose comments about the Holocaust spurred a high-profile controversy is challenging his firing at the Florida Supreme Court.An attorney for William Latson filed a brief Monday asking the Supreme Court to take up a dispute about the Palm Beach County School Board’s decision to fire him. The filing came after the 4th District Court of Appeal upheld the firing in November. The controversy stemmed from an email that Latson, then the principal of Spanish River High School in Boca Raton, sent to a parent in 2018. In part, Latson wrote in the email, “I...