even moved to comment on it.
https://static.politifact.com/CACHE/images/politifact/photos/Joe_Biden_at_the_Tomb_of_the_Unknowns_Arlington_Va_5-31-2010_1/0d51e6a2c40cf3e524ce6d5344d88663.jpg
the new spin from the left, if you want to get current, is that IT WAS DURING A CAMPAIGN, which is rather coincidental given the anniversary of the servicepersons' deaths.