Yes. Due to the process of Judicial Review, considered by some the most powerful force in the government, the Supreme Court has the authority to overturn virtually any law or decision deemed unconstitutional.
yes
it can be used in some situations
The Supreme Court case that upheld the American ideal of rule of law and limited government power by denying the idea of executive privilege is United States v. Nixon (1974). In this case, the Court ruled that executive privilege could not be used to withhold evidence in a criminal trial, emphasizing that no individual, including the President, is above the law and the principle of separation of powers.
United States v. Nixon was the case that questioned executive privilege. The case was decided on July 24, 1974. The Supreme Court ruled unanimously against Nixon.
There were no dissenting opinions because the case ruled against Nixon 8-0. The concurring opinion was a collective agreement between all justices in that the tapes held criminal conduct between the President and his men as well as that Nixon's claim to absolute executive privilege was wrong. Executive privilege is a right to the president; however, it is not absolute and can be checked by the Congress or Supreme Court.
No.
Population.
The Court ruled that the Espionage Act was constitutional.
No. It has been ruled constitutional.
illegal
It is not unconstitutional. The Supreme Court ruled that it is constitutional.
The Supreme Court ruled that Nixon had to expose his secret tapes.
The Supreme court ruled out the teaching of religion in public schools and segregation.