Ominous TV ad plays up danger from Iran, while quoting Obama calling it a “tiny” country that “doesn’t pose a serious threat.” Click above to watch.

Concludes: “Obama: dangerously unprepared to be president.”

Campaign says ad will run in key states.

Response from Obama campaign: “John McCain is distorting Barack Obama’s words…” Read full statement.

ABC’s Tapper: Ad is “not even close” to fair.