Rendering of the Black Cat exterior by James van Kriedt. Related Links Tenderloin’s Vietnamese restaurant core faces extinction Tenderloin classic, Lafayette Coffee Shop, shutters after over 60 years Not that there was any doubt that the Tenderloin, like much of San Francisco, is undergoing a lot of changes, but soon the corner of Eddy and Leavenworth will be home to Black Cat, a swanky new two-story supper club. In addition to live entertainment, the restaurant will feature cocktails by Gabriel Lowe (formerly of Locanda, Beretta and The Battery) a 90 bottle wine list by former Jardiniere wine director Eugenio Jardim and supper club-inspired menu from chef Ryan Cantwell. The rest of the