Related Clues:

• With 54-Across, commonly believed misconception
• True-___ test
• Primarily fake, artificial, lying, sham, ersatz?
• Fleas (anag)
• River Seine's banks not straight
• Fleas (anag.)
• Fine drink, with second consumed? Not so
• Member goes after sham, failed presidential candidate – no need to panic
• F on a quiz?