On the evening of Friday 30 October 2009, I expect EU heads of state will have approved the broad brush picture of the new European External Action Service (diplomatic corps, see this column in yesterday's newsletter). This will not put an end to the doubts, perplexities and downright disagreements about what the diplomatic corps should actually do (and how it should do it). Many areas still need clarification,, naturally enough, because the new diplomatic corps will be the mechanism through...