Mark Mardell reports from Washington.

马克·马德尔在华盛顿报道。

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The BBC's Europe editor, Mark Mardell, has an interesting additional take on the problems of EU-American summitry on his blog today.

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Mrs Hernandez was speaking to the BBC's North America Editor Mark Mardell.

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Mr Romney was animated, in command of his information, overriding the moderator and interrupting the president, says BBC North America editor Mark Mardell.

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