21.   The FBI began to question Lee on Friday in an attempt to determine whether he had passed American secrets to the Chinese.

22.   The French have been very aggressive, especially at stealing American industrial secrets.

23.   To keep the Japanese from getting American secrets during World War II, Navajos -- the original Americans -- spoke over the radio in their native tongue.

24.   Will China use stolen American secrets in its next generation of nuclear weapons?

25.   A preliminary determination found that the Russians had not obtained any vital American national secrets from the bug, he said.

26.   Israel denied Wednesday that its Mossad intelligence agency has a U.S. government informant supplying it with American secrets.

27.   Members of Congress are upset over allegations of Chinese thefts of American nuclear secrets as well as a recent crackdown on dissidents.

28.   The book maintains the documents offer the first direct proof that the party participated in the theft of American atomic secrets.

29.   The unprecedented disclosures were prompted by allegations made by a U.S. congressional panel that Beijing engaged in wholesale theft of American nuclear secrets.

30.   Worries over U.S.-China relations strained by U.S. allegations that China has stolen American nuclear secrets also dampen market sentiment, they said.