Katherine Mangu-Ward on the Texas Truck of Terror

Mark Oberholtzer wasn't following the Syrian militant group Jabhat Ansar al-Din on Twitter. So when they tweeted a picture of a Ford pickup in December with an anti-aircraft gun blazing from the truck bed, he probably missed it. Until someone mentioned to him that it was his truck, writes Katherine Mangu-Ward. Or rather, it was a truck previously owned by his plumbing company.