6:41 PM PT: Another commercial break, presumably the last of the debate, which is scheduled to end within the next 20 minutes.
6:43 PM PT: My over under on the number of questions we'll have in the next round? 2. I'm prepared to be wrong.
6:47 PM PT: It's the return of Herman Cain? Asked about whether he'd support a Syrian no fly zone, he says no. He says he'd ask our allies whether they'd refuse to buy oil from Syria. Then he says we need to strengthen our economy. He resists the temptation to mention 9-9-9.
6:51 PM PT: Ron Paul argues that imposing a no fly zone over Syria would be an act of war. "This is just looking for trouble. Why don't we mind our own business."
6:52 PM PT: Romney claims President Obama thinks we're about to have an "Asian century." I think he's accusing him of being a secret agent of Asia.
6:54 PM PT (Kaili Joy Gray): The liveblogging continues in the next thread.