Can the U.S. spy on spies?
The two defendants in the espionage trial were hardly the most dangerous of spies. Ronald Humphrey, 42, emerged in the testimony as a naive, lovelorn officer in the U.S. Information Agency whose lawyer insisted he never meant to harm the U.S. although he delivered Government documents to a foreign agent. David Truong, 32, a Vietnamese peace activist, said he simply wanted to help effect a rapprochement between the U.S. and his homeland.
The U.S. Government pursued its prosecution with immense care and zeal, for more was at stake...