jonathan faull is doubtful about one idea doing the rounds in whitehall.gle market? it is not something which is on sale in that way and i find that rather extraordinary. you are a member of the single market as a member of the european union or you are a foreign country outside it and you conclude agreements with the european union if you want to and it wants to regarding the way in which your goods and services and capital and people move around. or you don't and you have a few international rules which apply and that is it, that is the choice to be made by both sides. but the veteran brussels official who has just retired after 38 years service believes the uk does have one card. michel barnier, you should remember, has done a lot of work in recent years on defence and strategy issues and he believes the uk is absolutely crucial to the defence and security of europe, the continent. and franco british cooperation in defence and security matters is extremely important and he will want and all europeans will want a way to be found for that to continue. for