How can/should ethics be taught in an organizational environment

Have scandals influenced your opinion of leaders at work, in school, in politics or in other organizations? Explain. Are there times when the ends of achieving a positive result justify the use of unethical means? Why or why not? Where do personal ethics come from? Are they innate? Learned in childhood? Learned elsewhere? Should we hold leaders to a higher standard with regard to ethics? Why or why not? How can and should organizations screen prospective employees on ethical issues? How can/should ethics be taught in an organizational environment? Explain.