Which of these three items is the most important and might derail a presidential campaign?
* Bill Clinton continuing to chase anything in a skirt, according to a new Vanity Fair story.
* Michele Obama using the word “whitey” in unknown context, according to rumors.
* John McCain calling his wife a four-letter word for her vagina, according to first-hand accounts.
And what does your choice say about the state of political discourse in America?