Unless you don't like drinking liquor to begin with, it can be a bit of a drag to be the designated driver for your drunkard friends. You have to sit there on your bar stool sipping your tiny, weak soda while they get to enjoy pretty, decked-out, specialty cocktails. Fortunately, there are some lovely nonalcoholic options out there for you responsible folk, and I'm not talking O'Douls. The Arsenal in West LA has a......