It's my belief that people take lemons for granted. Most stores, even the produce-phobic bodegas of Brooklyn , have a least a few to offer the acid-seeking individuals of the world. Lemons gussy up water. They add zip to salad dressings, their zest is crucial for many baked goods, and they taste good as hell in a cocktail. Lemons have inspired tired phrases (When life gives you lemons… ) and denigrating ones (when we're talking about disappointing people or things). Lemon-flavored things also g…