I have nothing to add to this.

In his dress shirt and tie, and with his unwavering smile, [Mitt Romney] walked over and posed for photographs with a group of black youngsters. Putting his arm around a teenage girl, he waved to the cameras and offered, “Who let the dogs out?” He added a tepid “woof woof.”

Somewhere, the Baha Men, the Bahamian group whose 2000 song the candidate was referencing, must have been shuddering.

Kevin Madden, one of Mr. Romney’s campaign boyz on the bus, said the candidate had been joking around and had responded to someone who asked, “Who let you out?”

Later, Mr. Romney admired a child’s gold necklace and said, “Oh, you’ve got some bling-bling here.”