Trump's appeal and the court's handling of it have already delayed a trial. What the court rules — and when — will determine whether the trial can take place before the election.
If the court rejects Trump's broad immunity claim, it could still send the case back to a lower court for more deliberations, which could further delay a potential trial.
A series of early-1900s Supreme Court rulings included discriminatory language and helped ensure that people in U.S. territories wouldn't have the same rights as other Americans.
The Supreme Court is considering whether a charge of seeking to obstruct an official proceeding, which Trump also faces, can be applied to the events of Jan. 6, 2021.
The Idaho measure, which seeks to block treatments such as puberty blockers and hormone therapy, is one of more than 20 enacted by conservative states targeting care for transgender youths.