Thai Flood wall fail, Flights still operate at Suvarnabhumi AirportThai Airways Airbus A300 airplanes sit parked on the flooded tarmac at Don Muang airport in Bangkok, on October 26, 2011. The planes' landing gear has been wrapped in protective plastic. (Reuters/Bazuki Muhammad)[CBC NEWS] Thailand's prime minister warned on Tuesday that Bangkok could be swamped by …