You never know when your past propaganda efforts are going to rear up and bite you on the backside.
Indeed, the editors of the prominent Iranian website Mehr may still not know this.
On Friday, Mehr illustrated a reassuring story about Iran's missile programme --- "French official: No Threat of Europe" --- with an archive photograph of lots of those missiles.
First problem? The image is a Photoshop. In fact, it's not just a Photoshop, it's a Photoshop of a Photoshop.