The One Thing You Should Never Leave the House Without

With recent plastic bag bans and eco-conscious movements sweeping the nation, now's the time to plan ahead so you don't find yourself in a pinch in the checkout line. Sprinkle your life with reusable bags: Keep one in your car, purse, and office so you never leave the house without one. And while you're at it, why fill your cabinets, drawers, storage nooks with mediocre bags you only bought last minute out of necessity at the grocery store? Upgrade to some you'll want to keep around for years to...