That depends on the parameters of the powers of the particular court. Some courts are appointed by military juntas with the express purpose of changing the law in order to legitimise the purposes of the people in power. A very close example may be bushes war on terrorism overriding the liberties of the US citizen.
The Supreme Court gained the power to declare laws unconstitutional
As long as the majority of the court agrees that the law does, in fact, violate the US Constitution, they can declare it unconstitutional and strike it down.
No, an Appeals Court cannot 'find' a law unconstitutional. They might declare a law to be unconstitutional IN THEIR BELIEF, but they can only overturn the decision of the lower court and/or return it to them for further action or consideration. Only the U.S. Supreme Court can find a law unconstitutional.
No. The Supreme Court has the ability to declare something unconstitutional or not. If they have declared something unconstitutional then there is nothing the president can do about it.
the supreme court can declare laws unconstitutional
The SC can declare a law constitutional or unconstitutional.
judial review
it can declare a law unconstitutional
The judicial branch. Or the supreme court.
the supreme court can declare laws unconstitutional
the supreme court can declare laws unconstitutional
It is when the Supreme Court can overturn Laws Challenged by the Judiciary as Unconstitutional.