Since it is the Supreme Court that decides what is constitutional and what is not, the decisions of the Supreme Court cannot be unconstitutional, however, it is always possible for the Supreme Court to make new decisions which reverse older decisions. So in theory, if the Supreme Court does something wrong, they will be reversed by a later sitting of the same court (but with new judges).
The power of judicial review.seperation of powers
declare a law unconstitutional
the supreme court can declare laws unconstitutional
No the Congress can not nullify a ruling of the Supreme Court. The Congress would have to rewrite the law which the Supreme Court had declared unconstitutional. Then the new law could overrule the Supreme Court IF the new law was declared constitutional if/when appealed.
President or Supreme Court can find it unconstitutional.
The power of judicial review.seperation of powers
The U.S. Supreme Court has the power to declare an act of Congress unconstitutional.
Yes, the Supreme Court can overturn a law passed by Congress if it is found to be unconstitutional.
Supreme Court
"What?" indeed! If the Supreme Court rules it unconstitutional, that ends it. The only ones who can overturn that are some future Supreme Court.
The Supreme court determines how laws that are passed by Congress are meant to be interpreted and applied. The Supreme Court also determines whether a law passed by Congress is unconstitutional or not.
declare a law unconstitutional
The Supreme Court has the authority to interpret the Constitution.
the supreme court can declare laws unconstitutional
The Supreme Court
A judicial review
No the Congress can not nullify a ruling of the Supreme Court. The Congress would have to rewrite the law which the Supreme Court had declared unconstitutional. Then the new law could overrule the Supreme Court IF the new law was declared constitutional if/when appealed.