Possible Clues:

• Writer's passing reference to all-American charged particle
• Literary reference
• Mention a false notion, one initially ignored
• Subtle reference to upsetting endless racket coming from university with the French
• Indirect reference to everyone from America at the heart of espionage
• Every American satellite passing over Pole, it’s implied
• Mention a misapprehension that head has left
• Brief or indirect reference to something