Possible Clues:

• Are 27 across suckers for advertising?
• The people going for promotion
• Section of society most influenced by commercials
• Part of society easily influenced by advertising
• It's sad about mother's being such a sucker for publicity like them
• People going for promotion gather round head of department
• Present-day service for readily influenced shoppers
• Promotion's target of admiral with a ship
• Widespread use of commercials, and the people influenced by them
• Mad, confused, silly, and suckers for advertisement