President Obama places wreath at Arlington National Cemetery
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ARLINGTON, VA - President Barack Obama is leading the nation in remembering its war heroes, the fallen and those still defending the flag in a Memorial Day tribute.
The president, just back from a surprise visit with troops in Afghanistan, placed a wreath at Arlington National Cemetery.
With troops in formal military dress standing at attention, Obama walked to the site of the Tomb of the Unknowns.
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The president has directed all government agencies in the United States to fly their flags at half-staff in observance of Memorial Day.