Possible Clues:

• Small American coins reportedly causing uncertainty
• The Guardian writers mostly set without expectation
• Feeling of excitement or anxiety about what might happen
• Sun exploit employing birds results in excited anticipation
• Anxiety of South American writers, English as well
• South American writer's beginning to evoke tension
• State of uncertainty that gives us power in hearing, say
• Uncertainty of distinguishing feature in meaning
• Uncertainty beginning to see pound's dropped in value
• South American writers first to evoke what Hitchcock wanted?