Writers must write emotion. That's a given. But many writers lean too heavily on stock emotional body language when they describe their characters: the wink, the nod, the yawn, the shrug and that American favorite, the smile. North Americans smile more than people from other cultures. And we don't just smile (way) more, we smile bigger and brighter. Scroll through a brief comparison of photos of American vs. Chinese leaders and you'll see it, too. As an editor, I don't go more than five pages without spotting it in first drafts for longer pieces and there's a rare Flash piece without at least someone smiling by line four. From the first grin in a draft, it's everywhere, way too much of it. For many writers it is a crutch whose sell-by-date has expired. So short of moving to Russia or Japan and imbuing a whole new body language vocabulary, what's a...