CNN to black McCain supporter: Um, why aren't you backing Obama?

Specifically, why isn’t he backing him “in light of what’s happened” to the campaign’s tone? Is he really going to tolerate McCain reminding America that The One had no moral objection to associating with domestic terrorists? According to the media, that’s practically race treason.

In case you don’t know who Harris is, you’ll find an explanation below the clip. Exit question: Did CNN pause, even for a moment, while sifting those e-mails Lemon reads at the beginning to savor the irony of complaining about conservatives’ tone here?