When Isaiah Washington, one of the stars of TV's Grey's Anatomy, used a homosexual slur to refer to a co-star, it caused a stir, but not the kind of anger that comedian Michael Richards generated with his verbal tirade of racial slurs. Guests look at the origins and power of insults.
John McWhorter, author of Winning the Race: Beyond the Crisis in Black America; senior fellow at The Manhattan Institute
Dan Savage; editor of The Stranger, a Seattle weekly paper; writes a syndicated advice column, "Savage Love"
Mark Anthony Neal; professor of black popular culture at Duke University