The president-elect backed TikTok in a Truth Social post Friday as he tries to halt the law from taking effect.

We’re tuning in live as the justices consider what could be one of the most consequential First Amendment rulings of the past several decades.

WASHINGTON (AP) — The law that could ban TikTok is coming before the Supreme Court on Friday, with the justices largely holding the app’s fate in their hands. The popular social media platform says the law violates the First Amendment and should be struck down.