We often make small ethical compromises for good reasons: We lie to a customer because our boss asked us to. We exaggerate our accomplishments on our r?sum? to get an interview. Temptation blindsides us. And we make snap decisions we regret. Minor ethical lapses can seem harmless, but they instill in us a hard-to-break habit of distorted thinking. Rationalizations drown out our inner voice, and we make up the rules as we go. We lose control...