a) Under Oregon's Death With Dignity Act (ODWDA), doctors are to fulfill certain legal requirements before agreeing to prescribe suicide-assistance drugs to terminally ill patients. What liberty-limiting principle do those requirements illustrate and why?

b) If some legislators in New Mexico wanted to criminalize private homosexual conduct between consenting adults, simply because they consider said conduct to be inherently immoral, what liberty-limiting principle would they be going by? Would such criminalization serve any utilitarian "policy aims," or would it be considered groundless and why?

c) Briefly but fully explain what kind of a defense the necessity/lesser evil defense is, illustrate it with an original example of your own, and explain how said defense illustrates the broad meaning of mens rea.