....its 120-seat restaurant is called best of kitchen artistry, boka for short. the modest chef, top left, is peter birk, and his menu is as mouthwatering as ever. enter now bar manager cory duffy, who is also the owner of rain city spirits on east marginal way, concocting cocktails to match the food. a gin & tonic for example, with tuna sashimi. no ordinary gin, either: locally distilled big gin, barrel-aged, cask strength, and infused with grapefruit and coriander. sangria to accompany oyster-mushroom arancini; a black tea martini to accompany the duck; a dark rum punch for the braised lamb; a variat