Martin Luther King, Jr.

Here's a cool, and educational, run-in with Dave Chappelle outside the Laugh Factory. In honor of Dr. Martin Luther King, Jr. -- Dave broke down what our photog (who is black) not-so-elegantly described as the "black version of Happy Birthday." The more you know ...

Harry Belafonte wants to be free at last ... to sell original speeches penned by Martin Luther King, Jr., but King's Estate has mounted a challenge from the mountaintop ... so Belafonte is now suing. Get this ... Belafonte has the notes that were in Dr. King's suit pocket when he was assassinated…