You are right, though, that had the complexions of the participants been reversed, it would have been plastered all over the News & Record, the perpetrator branded as a Klansman, and the SPLC hate-haters would be following him around trying to provoke him into something newsworthy. They've got fundraising goals to maintain, you know.
I uncharacteristically watched the YouTube video, by the way, expecting to recognize the man who accosted the protestor. I didn't. He's just another political Obamanoob who doesn't understand how politics play out, never having paid attention in the past.
Guarino is the first local blogger to pick up on it and has it posted. He snagged it from biggovernment.com.