D.C. is proving to be a major a major battle ground for companies seeking to introduce Asian food in a fast-casual setting. Think about it. Ping Pong. ShopHouse. Yo!Sushi. Pei Wei Asian Market. Wagamama (if it ever opens). Now, Fast Casual is reporting that a chain called The Noodle House is eyeing D.C. and select U.S. cities.