Never heard of this. What is your source?
There is no thu amendment.
ninth amendment
14th Amendment
Polygamy is not in any amendment, it was outlawed by a Supreme Court decision.
6th Amendment
No. Slavery was abolished by the Thirteenth Amendment to the Constitution in a joint effort between Congress and the states that ratified the amendment. A constitutional amendment is more powerful than a US Supreme Court decision, because it is not subject to change by the Supreme Court.
The US Supreme Court is not going to "stop the First Amendment"; they lack authority to change the Constitution. Article V of the US Constitution explains the formal amendment process.
Supreme Court
Nearly EVERY amendment in the Bill of Rights has been held by the Supreme Court to have been violated at one point or another, except the Third.
Since you didn't say WHICH Supreme Court decision, there is no way to answer the question.
The Supreme Court justices hear cases in the courtroom of the Supreme Court Building in Washington, DC.
The 4th, 5th, and the 14th as well as the Miranda decision by the Supreme Court.