Yesterday the first A340-600, especially decorated with union jacks under the winglets, has been delivered to the British airline Virgin. The aircraft, the longest ever built by Airbus, will fly for Sir Richard Branson's air carrier up to 321 passengers: 50 upper class, 28 premium economy and 233 in economy. The choice of the -600 version, according to Mr. Branson, will allow Virgin to "look after...