British Prime Minister David Cameron (L) welcomes French President Francois Hollande to 10 Downing Street in London. Hollande and Cameron tried Tuesday to laugh off a rocky start to their relationship

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British Prime Minister David Cameron (L) welcomes French President Francois Hollande to 10 Downing Street in London. Hollande and Cameron tried Tuesday to laugh off a rocky start to their relationship despite lingering differences over the eurozone crisis.

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