Not to defend Lehrer exactly, but this is a kind of situation where hackers don't have a lot of experience to draw on to aid interpretation. It's not possible to "cheat" your way to working software. But in the world of journalism, it really is possible to fill out an article based on nothing but a little creativity. Combine that with the severe time and performance pressure these people can be under, and the temptation to cheat must be immense.