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Diplome ...
1. Spur of the moment business travel is a beeeech. Fortunately I can run my business without having to travel anywhere!
2. VS limited on destinations, BA schedules may not fit - it's hard out there. I can't get to IAD without a night-stop at the Sofitel at LHR, for a start. However, at least IAD is one of BA's 'preserved destinations'.
3. As to the semi-strike - my money remains on WW, simply because he, and his staff [God, they have put in some overtime] have had a complete game-plan, with options, in place for months. The dullards in the Unions may be able to book a bouncy-castle at short notice, and generate random 'distortions of the truth', but I seriously doubt they have any Plan B [or even a Plan A, to be honest].