provoked adopted courtrooms, classrooms, and cities across the country as people try to figure out how to deal with the past and an uncertain future. nbc s trymaine lee lays out2021 was on trial for the sins of today and generations ago. remembrance and a reckoning, marking the 100th anniversary of the 1921 tulsa race massacre. reporter: s our nation was confronted with ugly truths about race, democracy, and the vile than bonds us all. an embarrassing violent spectacle of american citizens looting and defacing our own capitol. reporter: we witnessed an assault it he heart of our nation when a mob of trump supportors stormed the capitol, attacking everything we thought