This is what Robin Carnahan's campaign has to say about Fox News suing over an ad that uses a brief clip of Chris Wallace interviewing Roy Blunt:
Well, we’re not backing down; and we're not giving up. Not against Fox News, and certainly not against Congressman Blunt. We’re staying on TV and fighting back.
YouTube took the ad down because Fox demanded it, but the Carnahan has made it available again. So here it is: The ad Fox doesn't want you to see.