By Julia Burke, Beer Editor It's with mixed feelings and no small measure of trepidation that I approach a beer labeled with the word "summer." Sure, they're a great way to draw macro beer drinkers into the craft world — a Hop Sun is a whole lot less scary than a Local No. 1 — due to their light body, relatively low carbonation and hop levels, and "drinkability." But that last word sometimes gets tangled up in the world of macro beer, and unfortunately so do some of the summer ales I've tasted. To sort the best from the rest…