One of the toughest things about raising a toddler has got to be, without a doubt, the tantrums. Few things can make a parent's blood pressure rise like a full-blown, ear-splitting, kicking-and-screaming tantrum. And a tantrum that happens in public? Like in the middle of Target on the Saturday before Christmas, when what seems like everyone in your entire city has come to buy last-minute gifts? Yeah. Even worse. (Ask me how I know...) Fortunately for you, parents of toddlers, tantrums