Supreme court justices decide if laws are constitutional.
In theory, any court can decide this, but only the decisions of the US Supreme Court are binding in regards to the US constitution (for State constitutions, the state's Supreme Court is generally the final arbiter... the US Supreme Court might rule that a particular provision in a state's constitution is not compatible with the US constitution, but usually will let the state court decide for itself in strictly internal matters.)
No, The US Supreme Court is the only federal court Congress is powerless to abolish, because the Court is mandated by Article III of the Constitution.
The US Supreme Court serves as the final court of appeal
Supreme Court
Supreme court justices decide if laws are constitutional.
When a law is passed the Supreme Court can decide if it is constitutional.
Supreme Court
who decides whether or not the supreme court will review a case
the federal income tax was unconstitutional.
Constitutional
Supreme Court
They mainly interpret the Constitution and decide the outcomes for Supreme Court cases
They mainly interpret the Constitution and decide the outcomes for Supreme Court cases
Judicial review is the process that lets the Supreme Court decide whether lower court decisions and laws are in keeping with the intent of the constitution.
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In theory, any court can decide this, but only the decisions of the US Supreme Court are binding in regards to the US constitution (for State constitutions, the state's Supreme Court is generally the final arbiter... the US Supreme Court might rule that a particular provision in a state's constitution is not compatible with the US constitution, but usually will let the state court decide for itself in strictly internal matters.)