Related Clues:

• Work undercover
• One of two regular Mad magazine opponents
• Mata Hari, notably
• China's -- Zedong
• He came in from the cold
• Great Leap Forward figure
• Bug someone's phone, e.g.
• Jiang's husband
• ___ ring
• Best-selling Chinese author Dun
• Le Carré character
• The Little Red Book author
• Don DeLillo's "__ II"
• ''Nixon in China'' role
• ''Little Red Book'' name