A riveting account of the origins and legacy of "I Have a Dream" Forty years ago, Martin Luther King, Jr. electrified the nation when he delivered his "I Have a Dream" speech from the steps of the Lincoln Memorial. King's prophetic utterances started the long overdue process of changing America's idea of itself. His words would enter the American lexicon, galvanizing the civil rights movement, becoming a touchstone for all that the country might someday...