During his four years as president, Democrat Joe Biden experienced a sustained series of defeats at the U.S. Supreme Court, whose ascendant conservative majority blew holes in his agenda and dashed precedents long cherished by American liberals.

TikTok said it will have to “go dark” this weekend unless the outgoing Biden administration assures the company it won’t enforce a shutdown of the popular app after the Supreme Court on Friday unanimously upheld the federal law banning the app unless it’s sold by its China-based parent company.