Suppose an accountant discovers evidence of shady practices while ex amining the books of a client. What should he or she do? Accountants have a professional obligation to respect the confidentiality of their cli ents' accounts. But, as an ordinary citizen, our accountant may feel that the authorities ought to be informed. Suppose a physician discov ers that a patient, a bus driver, has a weak heart. If the patient contin ues bus driving even after being informed of the heart condition, should the physician inform the driver's company? Respect for patient confidentiality would say, no. But...