I'm not sure why pointing out the credibility of John Lewis is helpful to McCain's chances

We have the perfect "label" or "tag" for this bit of McCain news, via CNN:

Sen. John McCain said Monday that Rep. John Lewis' controversial remarks were "so disturbing" that they "stopped me in my tracks."

Lewis, a Georgia representative and veteran of the civil rights movement, on Saturday compared the feeling at recent Republican rallies to those of segregationist George Wallace.

"That's not from some, quote, party official, that's from one of the most respected people in America. It's unfair. It's unfair and it's outrageous," he said in an exclusive interview with CNN's Dana Bash.

Can you guess? All together now: