If this guy's mind is not already made up on the outcome of this documentary, why is he just looking at the CAA (UK based carriers on a BBC programme,makes sense) and the IAA ? Why the IAA?
Seems to me another spot of, rightly or wrongly, Ryanair bashing is planned.
Remember he is just looking for a way to prove it !! You can prove just about anything if you really want to......
