Kinda dumb. When I say it's a "Ron Paul ad," I mean it's in support of Ron Paul, not a real campaign ad. You know, created by his various twit supporters.
Although McCain here obviously has absolutely no idea what the hell Ron Paul is talking about, I don't know if that's such a big deal. Ron Paul deliberately chose a fairly obscure bit of the executive bureaucracy for just this effect. Anyone could have done the same thing to any candidate -- find some very obscure fact, bone up on it quickly, then surprise another candidate with a question about it.
Still, McCain does look silly bluffing his way through this. A "Straight Talk" answer might have asked Ron Paul what this group was, exactly, but then McCain wasn't comfortable with economics to know that his ignorance of this group was excusable and understandable, and worried that this might be something he really ought to have heard of.
“She and John McCain are very close,” [former President Bill Clinton] said. “They always laugh that if they wound up being the nominees of their party, it would be the most civilized election in American history and they’re afraid they’d put the voters to sleep because they like and respect each other.”