In a speech marking 100 years since the Tulsa race massacre, Joe Biden called on Americans to think upon “the deep roots of racial terror” in the United States and to destroy systemic racism in their society. In hard-hitting words as part of a declaration of a day of remembrance for the hundreds of Black victims of the 1921 mass killing in Oklahoma, Biden used unusually strong language to describe America’s history of racial strife. “On this...