When you eat your dinner, do you keep the fork in your left hand and knife in your right, as diners in Europe do? Or do you employ the American "cut-and-switch," putting the knife down after you cut your food and switching the fork to your right hand to eat? The latter method has been the polite way to eat since we picked up the habit from the French sometime during the nineteenth century. That's right, the cut-and-switch is actually an old European habit, one that fell out of fashion around the mid-1800s. Is it time for Americans to give up this inefficient eating style too?