On borrowing costs for an independent Scotland, Prof Goodhart has to look to the Basque country to find any parallel, however imperfect.

BBC: Alex Salmond and David Cameron

Jolie started with the data, however imperfect and probabilistic scientific data are.

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This study, however imperfect because of its focus on a surrogate endpoint, demonstrates why we need to generate more information about how drugs compare.

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And surely, we can arrive at a definition of patriotism that, however rough and imperfect, captures the best of America's common spirit.

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