Wow Bao celebrates National Bao Day, by offering guests a complimentary midday meal to satisfy those bao cravings! How aBaout Lunch? Wow Bao , the fast-casual concept specializing in savory steamed buns, pan-seared dumplings, and rice & noodle bowls, is celebrating its favorite day of the year -  National Bao Day  - on Wednesday, August 22 by offering free lunch to all bao fanatics! Guests can cho…