Got your ruching done? Better hope so, because Tim Gunn's coming to town! Everybody's favorite Project Runway mentor is in the area on Friday and Saturday to promote his new book Tim Gunn: A Guide To Quality, Taste, And Style, which covers topics like: how to shop (broken down into designer, chain, and vintage), creating your own personal style, and even how to improve your posture. ("I don't know. I just don't love it," we......