Trump's pardon of Arpaio is the only pardon I can remember in which the underlying crime was official racism. And with that pardon, Trump pardoned, sanctioned and approved racism by law enforcement. It is as appalling as it gets and we should never forget it. — Sherrilyn Ifill (@Sifill_LDF) February 19, 2020 from https://twitter.com/black_periscope February…