A US Army Old Guard soldier places a flag at a headstone during the annual 'Flags In' event ahead of Memorial Day at Arlington National Cemetery in Arlington, Virginia, on May 23.
Mandatory Credit:	Kevin Lamarque/Reuters via CNN Newsource

A US Army Old Guard soldier places a flag at a headstone during the annual 'Flags In' event ahead of Memorial Day at Arlington National Cemetery in Arlington, Virginia, on May 23.
Mandatory Credit: Kevin Lamarque/Reuters via CNN Newsource

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Biden to mark Memorial Day with speech at Arlington National Cemetery

President Joe Biden on Monday is set to commemorate Memorial Day during remarks at Arlington National Cemetery, marking a solemn occasion that is personal for the commander in chief.