It was the final speech of a long day when hundreds of thousands gathered on the Mall for the March on Washington for Jobs and Freedom. Martin Luther King Jr. lifted the crowd when he told of his dream that all Americans would join together to realize the founding ideal of equality. His speech still inspires us 50 years later, but its very power has also narrowed our understanding of the march. In this insightful history, William P. Jones restores the march to its full significance.