Sitting in a booth in a diner, Ben Carson explains his campaign's new urban radio ad to Jorge Ramos.

You hear only the beginning of the ad in that video — as Ramos, after asking Carson about the ad, starts playing it on a mobile phone. You can play the whole ad here. And here's the discussion at Metafilter. Excerpt:

I was hoping for more of the "I'm Ben Carson and I'm here to say..." style rap popular among conservatives and corporate team-building consultants everywhere.

"...store your grain the Egyptian way."