Thankfully, we have stars to tell us so If you’re an American, chances are there’s a celebrity who thinks you’re dumb. Maybe even stupid. Or an idiot. Or something worse, which we can’t print here. Yes, show a celebrity an American, and that celebrity will show you an ignoramus. Too sweeping a statement? Perhaps. But what about this Michael Moore screed about Americans in the London Mirror earlier this month? “They are possibly the dumbest people on the planet. ...We Americans suffer from an enforced ignorance. We don’t know about anything that’s happening outside our country. Our stupidity is embarrassing.”...