On Jeopardy today, the final clue.
Category: 20th Century History
Clue: After the Vietnam War, Vietnam got bogged down in a campaign against this leader whom it managed to overthrow in 1979.
None of the three contestants on Jeopardy got it right, how about the hexbears?
spoiler
Pol Pot
definitely commonly known among commies, i don't know how much of the amerikkkan public knows about it but it doesn't seem difficult for a Final clue