How Martin Luther King Went Off Script in I Have a Dream

Former Martin Luther King, Jr. adviser and speechwriter Clarence B. Jones talks to WSJ s Monika Vosough about how Martin Luther King s favorite gospel singer Mahalia Jackson helped create the I Have a Dream speech. (Photo: AP) Click here to subscribe to our channel: Visit us on Facebook: Follow us on Twitter: Visit the Wall Street Journal: Dont miss a WSJ video, subscribe here: More