When hundreds of brave marchers crossed the Edmund Pettus Bridge in Selma, Alabama, 56 years ago today to demand equal treatment, they did so with the clear-eyed belief that America could live up to its founding ideals. They insisted that something better awaited them if they had the courage to reach for it, the will to fight for it. Their story is the American story—one that adds new chapters every time a young person takes action when they see something unfair, every time a single voice with a