Despite Que Huong's brown Formica-meets-plastic diner decor, the place packs them in. Lazy Susans full of plastic soup spoons, soy sauce cruets and paper napkins top the utilitarian tables. Twenty-four-hour news shows keep diners informed. Large bowls are filled with steaming hot pho, the national soup. There are nearly a dozen varieties, plus an assortment of pork, beef and vegetable dishes.