Mitt Romney, "Stand Up to China"

What it says: “Obama had years to stand up to China. We can't afford four more.”

What it means: Romney is clearly hoping to make China into a campaign issue; this is his second ad in recent weeks on the subject. 

Who will see it: The campaign didn't say, but the ad is likely airing in Ohio, where trade and outsourcing are a major issue. 

Factchecker: Romney's last ad on the same subject got two Pinocchios