The familiar story of civil rights goes like this: once, America's legal system shut Black people out and refused to recognize their rights, their basic human dignity, or even their very lives. When lynch mobs gathered, police often closed their eyes, if they didn't join in. For Black people, law was a hostile, fearsome power to be avoided whenever possible. Then, starting in the 1940s, a few brave lawyers ventured south, bent on changing the law...