![NPR Topics: Story of the Day Podcast show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/011/349/small/npr-story-of-the-day.jpg)
Summary: How does a great orator develop his speeches? Before Martin Luther King, Jr. gave his iconic address at the Lincoln Memorial in August 1963, he gave speeches in Detroit and Newark, N.J., that tested the ideas and language of "I Have a Dream."