Calls for clampdown on drinking duty free booze on flights - good idea or plane crazy?

An airline industry body has called for a clampdown on drinking duty free alcohol on planes and say it should be made a criminal offence. Airlines UK, which represents the likes of BA and easyJet, says the move would reduce incidents of "air rage" fuelled by booze.Does this sound like a wise move - what do you think about the attitudes to alcohol at airports and on planes? Stephen got the views of commentators Emma Woolf and Heidi McAlpin.