Possible Clues:

• Ask again about port
• Far Eastern city whose name means 'long cape'
• Japanese city suffering atomic bomb in WW2
• Japanese port almost completely destroyed in 1945
• Japanese port, setting for Madame Butterfly
• Annoy a British writer in Japan
• Commander in NSA outfit taking time off in Asian city
• Japanese city with an atomic bomb museum
• Japanese city, target for the second atomic bomb attack
• Again, ask about where to find 'Madame Butterfly'