FILE - In this April 20, 2010, file photo the Carnival Fantasy arrives in Charleston, S.C., its new home port. An international conference on the impact of the cruise industry on

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FILE - In this April 20, 2010, file photo the Carnival Fantasy arrives in Charleston, S.C., its new home port. An international conference on the impact of the cruise industry on historic port cities gets under way in Charleston on Feb. 6, 2013. (AP Photo/Bruce Smith, File) less