Those who wish well to the State ought to choose to places of trust men of inward principle justified by exemplary conversation.
The betrayal of trust carries a heavy taboo.
Let's say a Soviet exchange student back in the '70s would go back and tell...
Deciding whether to trust or credit a person is always an uncertain task.
Espionage for the most part involves finding a person who knows something...
Unfortunately the global warming hysteria as I see it is driven by politics more than by science.