Macbeth, definitely. The three witches had 20th and 21st century progressives pegged to a T, hundreds of years before the fact.
1. WITCH: Round about the cauldron go,
In the proggy doctrines throw
For a charm that murders millions,
Dance to Communist cotillions.
2. WITCH: Be it Stalin, Che or Mao,
Apotheosize each one, right now!
Don't forget the great Pol Pot,
Or Dear Leader Kim (he's hot!).
3. WITCH: Others, of more recent stripe,
Sell their lies and pois'nous tripe:
Bernie, 'Bama, Kerry, Hilly,
Dead of brain and PC-silly.
ALL: Double, double toil and trouble,
Fire burn and cauldron bubble.
