Cheating is a form of fraud. It's both just and practical to prevent those who use fraud as a strategy from establishing positions of responsibility. There are

Cheating is a form of fraud. It's both just and practical to prevent those who use fraud as a strategy from establishing positions of responsibility. There are two questions: Should it be the job of teachers to catch cheaters? If not teachers, who? How do you salvage "borderline" cases where someone cheats but may not use it as a life strategy (at least, not yet)?