No one can deny the appeal of Kampai's chefs, who dice, chop, saute, and banter good-naturedly with guests at each cooktop/table. Groups, in particular, come to the restaurant to enjoy the convivial atmosphere while they dig into substantial portions of teriyaki steak, hibachi chicken, and even combinations of filet mignon and lobster or NY steak and shrimp. Meals come with an appetizer, soup,...