The blackmail thing always seemed a bit circular to me. "We'll fire you if you smoke pot" "But why?" "Someone might blackmail you, by threatening to reveal t

The blackmail thing always seemed a bit circular to me. "We'll fire you if you smoke pot" "But why?" "Someone might blackmail you, by threatening to reveal that you smoke pot" "How is that a threat?" "Because we'll fire you if you smoke pot."