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European Union (Amendment) Bill

Let us focus closely on that specific point. I am happy to concede that it is clear that the Lisbon treaty and the previous constitutional treaty are two different documents. If he is arguing on the narrow point that a manifesto commitment to a referendum on document A does not bind the Labour party to a referendum on document B—and if he is stopping at that—he has a logically consistent case, but why did the British people think that he was giving that commitment? Did they think that he was giving that commitment on the individual document or on its substance? If the contents of document B are the same as those of document A, the British people are entitled to think that he is breaking his promise if he does not give them a referendum.