Keeping kids warm in the winter is a major stressor for moms. Let's face it, we're running around after them with sweaters and socks in the fall, so when the snow hits we really start to worry. Who wants to see little frozen tootsies after playing outside? That's no fun. Here are a few things you can do to keep your kids nice and toasty when the barometer is doing the limbo: => Feed them a warm breakfast. Oatmeal is best, but French toast is also a hit. Fill their bellies to give them …