Rolling Thunder 2013

Motorcyclists ride across into Washington, Sunday, May 26, 2013, during the annual Rolling Thunder "Ride for Freedom" parade ahead of Monday's Memorial Day celebration.

Police officers lead the way for the motorcyclists, many of whom are veterans, across the Memorial Bridge into Washington during the annual Rolling Thunder "Ride for Freedom" parade Sunday, May 26, 2013, ahead of Memorial Day celebration in Washington. (AP Photo/Molly Riley)

Police officers lead the way for the motorcyclists, many of whom are veterans, across the Memorial Bridge into Washington during the annual Rolling Thunder "Ride for Freedom" parade Sunday, May 26, 2013, ahead of Memorial Day celebration in Washington. (AP Photo/Molly Riley)

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