From the "Be Careful What You Say" File: Decanter reports that a maker of Portuguese wine Vida Nova was provoked by his host on a British TV show to denounce his own wine as "That’s rubbish. I wouldn’t pay for that, it’s tainted, it’s insipid. It tastes like vinaigrette. I’d never buy that." Ouch. Of course it was a blind tasting. The winemaker, Cliff Richard, should have known better. But what’s more interesting is how this episode in self emulation…