U.S. v. Nixon: Questions

What rights and privileges do you think a president should have that an ordinary person doesn't have? Is immunity and confidentiality necessary to do the job?
How far is an administration allowed to go to collect information on its opponents? Was the Nixon White House crossing the line? What was it that allowed the Plumbers to engage in all their dirty tricks and be proud of it?
Should Nixon have been charged with a crime and prosecuted even after he resigned? Would Nixon have even resigned if U.S. v. Nixon had ruled in his favor?
How transparent should government be? Is there any information that the public doesn't have the right to know?
How did Nixon's lawyers try to justify their belief that the courts couldn't intervene in the case of the tapes? Are there some issues that the Supreme Court has no business getting involved in?
How much power should a special prosecutor have in investigating political scandals?
Why did H.R. Haldeman keep the same haircut for 40 years?