It's next to impossible for me to wait in line at the supermarket and not pick up a pack of gum in some limited-edition novelty flavor. That's why I was beside myself when I received a shipment of what might have been a lifetime supply of Wrigley chewing gum in a slew of new flavors. A sore jaw and many packs later, I've discovered a new favorite flavor. Scope out the highlights — and learn whether they're worth buying now.