IntroductionThe most serious mistakes are not the result of wrong answers. The truly dangerous thing is asking the wrong questions.If your answer to the right question produces the wrong, unexpected result, you can take corrective action. In other words, a wrong answer to the right question can, as a rule, be repaired and salvaged.But if you ask the wrong question and get the right answer, chances are it will take a lot longer to discover and it inevitably leads to even more costly errors.The Ru...
