Describe one instance when the supreme cort "took on the president "and reduced the power of the office

1974 - United States v. Nixon

This decision established that executive privilege is neither absolute nor unqualified.
Situation: President Richard Nixon's taped conversations from 1971 onward were the object of subpoenas by both the special prosecutor and those under indictment in the Watergate scandal. The president claimed immunity from subpoena under executive privilege.
The Court decided against Nixon 8-0.

Historical significance:
The president is not above the law. After the Court ruled on July 24, 1974, Richard Nixon resigned

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Explanation: