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FILE - In this Nov. 25, 2009 file photo, ...
AP - Ieri - 05.24FILE - In this Nov. 25, 2009 file photo, President Obama speaks during the pardoning of the National Thanksgiving Turkey, Courage, in a ceremony in the North Portico of the White House, in Washington. President Barack Obama is committing the United States to a goal of substantial cuts in greenhouse gas pollution over the next decade when he travels to a widely anticipated climate conference in Copenhagen next month. (AP Photo/Pablo Martinez Monsivais, File)
