As the Black Lives Matter movement draws attention around the world to long-entrenched racial injustices of the present day, the past looms large as well. Reckoning with United States history seems critical to any contemporary progress on everything from housing disparities to mass incarceration. Guest host Rachel Lippmann hosts a conversation with educators and historians focused on rethinking the teaching of history. The show will delve into how curriculums have evolved in the past — and still need to change going forward.