News & Observer food critic Greg Cox says: The house specialty is the beef noodle pho, and 9N9's version of this meal-in-a-bowl classic is better than most. The pork chop rice platter is a winner, too, and a variation called the dac biet special is a pork lover's paradise. Other winners include vermicelli with pork and fried shrimp, catfish in a clay pot, and Vietnamese subs. Atmosphere is...