In the fall of 2015, some Oberlin College students complained in their campus newspaper that Campus Dining Services had been passing off a pulled pork sandwich as a Vietnamese banh mi. This was a reasonable criticism, expressed through established channels at a pitch far from hysterical. But if you’ve heard of this particular sandwich, this is almost certainly not what you heard about it, at least six weeks later, from  The   New York Times —or perhaps it was  The Washington Post . Or  Newsweek