A case in point: a video clip the RNC has been circulating, making it appear Biden wandered off in a daze at the G7, when — if you watch the actual, undoctored video footage of which the RNC has snipped a deceptive, doctored piece — he's walking over to chat with a parachutist.
As Washington Post writes (the link in /1 is a gift link from Marcie Owens),