This isn't Joe McCain's first faux pas. On October 15, he called Virginia "communist country" (he later apologized). But this 911 incident has forced him to quit his brother's campaign, saying, "I'm no longer helpful to John. When you have the brother of a presidential candidate in a tight race appearing to swear at a police officer because of a traffic problem, I think it looks really bad."
Some of the most famous people in the world have the most unlikely siblings. Check out the gallery.