Related Clues:
- Influence on Castro and Mao
- Mixers at mixers
- Tick off cocktails with soft drinks
- Surname of the stars of 20-, 37- and 53-Across
- Communist icon
- On U-boat that's in trouble
- In the area, person sailing away
- German social-science pioneer
- Competitors in a classic advertising 'war'
- Any 'Duck Soup' brother
- "What's all this ___?"
- More or less on
- Carbonated beverages
- Socialist to spoil vote in General Election
- Red stains by one's ears?