(CNN) — Add Iran’s news agency to the long list of those hoodwinked by the satire of The Onion. Iran’s semi-official Fars News Agency published a story Friday claiming that a Gallup poll found that rural white Americans prefer Iranian President Mahmoud Ahmadinejad over President Barack Obama. Such a poll would indeed be big news in Iran (and the United States) — if it were true. But the source was The Onion, the publication that presents the outlandish as real news. Its serious tone fools many who are new to the lampoons. Onion yarns have tricked news outlets in the U.S. and overseas. >>>