Related Clues:
- Covert agent
- Plant of a sort
- Chinese Chairman, once
- Red head, once
- ''Nixon in China'' tenor
- Be a mole
- Maxwell Smart, e.g.
- Author of a once-popular book of quotations
- Stratego piece (3)
- Bond, e.g
- Washington D.C.'s International ___ Museum
- __ inhibitor
- Government agent
- Watch furtively
- Mole, for example