Members of the U.S. Olympic sailing team are escorted following their arrival at Heathrow Airport in London, Monday, July 16, 2012. Heathrow is set to welcome a record number of passengers Monday as athletes begin arriving for the London Olympics. (AP Photo)

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Members of the U.S. Olympic sailing team are escorted following their arrival at Heathrow Airport in London, Monday, July 16, 2012. Heathrow is set to welcome a record number of passengers Monday as athletes begin arriving for the London Olympics. (AP Photo)