For hundreds of years, the U.S. has debated how to discuss history and racism in the classroom. As the 2024 general election heats up, the topic is amping up again and is figuring prominently in school board meetings and political campaigns. Soledad O’Brien talks about what’s new – and old – about today’s rhetoric with Adam Laats, professor of education and history at Binghamton University and author of “The Other School Reformers: Conservative Activism in American Education.”