I have a dream. Those rousing words, spoken by Martin Luther King, Jr. at an historic civil rights rally in Washington, D.C., brought hope to those who listened: hope that in the future there might not be two Americas--one black and one white--but instead a country united, with justice for all. Here is King's inspiring story, which began in Atlanta, Georgia in 1929 and came to a tragic end on April 4, 1968 when an assassin fatally shot him. The pastor...