"On the eve of the health care vote, a group of black Democrat Congressmen (eschewing the private tunnels they usually use to cross from their offices to the Capitol) chose to walk en masse through a crowd of protesters..."

"... confident that the knuckledragging Tea Party goons they and their media pals have reviled for a year now would respond with racial epithets. And then, when the crowd didn't, the black Congressmen made it up anyway."

That's Mark Steyn, who notes that mainstream media, which spread the phony story (when it was most useful to spread), are showing no interest in correcting it.

By the way, I called bullshit on the story as soon as it was reported, in this blog post and here on Bloggingheads: