Caught Live on Instagram: "August 28, 1963 — Washington, D.C. On the steps of the Lincoln Memorial, before an estimated 250,000 people at the March on Washington for Jobs and Freedom, Dr. Martin Luther King Jr. delivered a speech that would become the soundtrack of the civil rights movement. He began measured and policy-minded—calling for federal action on segregation, police brutality, voting rights, fair wages, and equal opportunity. Then, urged on by the crowd (and, legend has it, by gospel g