When Martin Luther King Jr. delivered his “I Have a Dream” speech, it electrified the audience gathered on Washington’s mall and inspired the nation. Almost 50 years later, it still shines as one of the great pieces of rhetoric from the 20th Century.
But you might be surprised to know that on that summer day in 1963, the good Reverend essentially winged it …
[For the rest, check out the article I wrote for Business Insider.]