evidence: Eleven months ago, George Floyd joined a long line of African Americans killed during encounters with police. He is not the first to become a rallying cry for demonstrations, a flash point in conversations about race and policing, a story that Black parents dread telling their children. But his is the death that has prompted the country’s most intense reckoning in decades, one affecting nearly every U.S. institution. That is certain to continue now that former Minneapolis police officer Derek Chauvin — who knelt on Floyd’s neck until he no longer could breathe — has been found guilty of murder. [...] Ari Tulay cried when she saw the video of Chauvin kneeling on Floyd’s neck. As a young Black woman who had grown up between St. Paul, Minn., and Louisville — where Breonna Taylor, another Black woman, had just been killed in her apartment during a botched police raid — Tulay experienced the two deaths in a deeply personal way. [...] The latest: Derek Chauvin guilty of murder and manslaughter in the death of George Floyd