Merritt leads US to gold in 4x400 relay - 2011 Track & Field Worlds

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Sept. 2, 2011: LaShawn Merritt makes up a deficit on the final leg of the men's 4x400 relay to lead the United States to gold.
Sept. 2, 2011: LaShawn Merritt makes up a deficit on the final leg of the men's 4x400 relay to lead the United States to gold.