Scarce any problem will appear more hard and difficult, than that of determining the distance of the Sun from the Earth very near the truth: but even this... will without much labour be effected.
'Fairness' can be an important quality for legislators to consider when they are passing public policies. But it is a subjective standard. And it has no place among judges on a court - whose duty is to dispassionately judge a law's constitutionality.
The difficulties of conducting espionage against the Soviet Union in the Soviet Union were such that historically the Agency had backed away from the task.