The Supreme Court will ultimately decide whether to uphold the longstanding principle that grants citizenship to the children of non-citizens born in the U.S., following a legal challenge by the Trump administration.

The U.S. Supreme Court next week weighs the legality of Donald Trump's firing of a Federal Trade Commission member in a major test of presidential power over agencies set up by Congress to be insulated from White House control in a case that could imperil a 90-year-old legal precedent.