What is this urge that iPhone and digital camera users have for taking food photos? We’ve all done it, right? Food porn? We’ve photographed our plates at dinner, vegetable displays at markets. And we’ve sent them to friends. Food foto pix are the adult version of food fights. But hey! If you can’t fight ’em, join ’em. Here are a few of my morsels shot at the legendary Campo Fiore market in Roma.