“So Helen (head of HR). I hear Johnson (employee of the year) got fired for testing positive for Marijuana. Now I am wondering about the main reason for this new zero tolerance policy.”
“To reduce accidents, Henry.”
“Ah. I was just reading Industrial Equipment News. Do you know what the number one cause of industrial accidents is?”
“No, what is it?”
“It's stupidity. Why don't you test for that?”
– an actual conversation