Romney should play that clip on all of the networks as a commercial. He could comment that this is what divisive and racist campaigning is about and that he wants to bring the country together. I know it’s simple but consider the audience.
...and follow that with questions and answers:
Joe Biden, which party freed the slaves? Republicans!
Joe Biden, who marched with Dr. King? Republicans!
Mr. Biden, who put on white sheets, tortured and lynched innocent young black men in the middle of the night? Democrats!