Of course, while the airline says business class pax CAN have 2 bags, there's complications if security say they can't. Especially when we know that the whole problem at LHR is down BAA's TOTAL MANAGEMENT STUPIDITY AND INCOMPETENCE, for which the travelling public has to pay hard cash. For such stupidity, there should be mass management sackings. In Japan, with management shown up as so incompetent, there would be expectations of hari-kiri.