The United States’ Supreme Court consist of nine judges. They essentially can, by a decision, overrule a law (for being unconstitutional, for example) or a previous decision by a lower court.
For a quick look at the supreme court’s members you can go here.
You may remember that the POTUS, Trump, succeeded in getting a nominee onto the supreme court. A recent 5-4 decision went against public sector unions, preventing them from collecting dues from non-members who nonetheless benefited from their union’s negotiations. You can find details here.
More alarmingly, Trump’s anti-Muslim travel ban just got upheld, again by 5-4. The argument was that Trump’s statements during the campaign did not constitute discriminatory intent. You can see this one here.
Trump will have another chance to ‘pack’ the supreme court as a retirement has been announced. You can read this here.
If you care about abortion law, just wait. Iowa wants detection of fetal heartbeat to be an option killer. This has been stayed. However, with the new supreme court makeup in just a few months, this could go much farther than just one state. You can read this one here.
Trump is rewriting the rules of international diplomacy. He is rewriting the rules of international trade.
Now he is rewriting rules that once were considered logical under the Constitution.
May God have mercy on us all.