from the offer-them-cookies-but-watch-the-bowl dept.
Shlomi Fish writes "The best way to react to people trolling on Internet forums is not to feed them, right? Wrong! 'Don't feed the trolls' is also usually ineffective. Luckily, however, there is more effective approach, inspired by the book Feeling Good by David D. Burns."
If a subordinate asks you a pertinent question, look at him as if he had
lost his senses. When he looks down, paraphrase the question back at him.