The retailer Brooks Brothers has long been associated with tailored, classic clothes for the workplace. What better place to find tips to help you dress for success. Lindsay Taylor Hall, a rising senior at Central High School in Philadelphia, Pa., and a participant in the summer Business, Entrepreneurship & Leadership program at Wharton, sat down with local store manager Maria Mariani to talk classic looks, corporate casual and why every wardrobe should have a crisp shirt.…