So, Frank Luntz amused us all by telling funny jokes:
He joked a bit to warm up the room. [...]
"I actually have a 'Run, Barack, Run,' bumper-sticker but I put it on the front of my car," he continued.
There's a problem with this particular dog whistle. It's plagiarized from rec.humor.funny. In 1988:
http://www.netfunny.com/...