Maybe it’s the impending “Mad Men” premiere, but we have a craving for simpler, smokier, sexier drinking times. Inspired by Old Hollywood, Walnut Street Supper Club’s new cocktail menu features star-studded concoctions such as the Old Blue Eyes Martini (vodka, dry vermouth, lots of swagger), the Dean Martin Manhattan (starts with applejack, ends with charming slurs) and the Rat Pack Old Fashioned (all the usual bourbon-drowned suspects). Order one up in their plush, throw-back dining room, put on your Draper game face and forget all about that green beer.