They have five kids and so sometimes there can be actual competition to undertake a task.

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There's a joy from watching something undertake a task that's challenging for it but easy for you.

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If they set clear standards and guidelines, then teams of people can undertake a task without centralised control.

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Persuading voters that MPs are not so bad is a task that MPs themselves may be better placed to undertake.

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"We all bring with us to the court or to any task we undertake, our own lifetime of experiences and background, " she told CNN in a May 2003 interview.

CNN: A sensible justice