The Supreme Court on Friday was divided over the constitutionality of a federal law that would require social-media giant TikTok to shut down in the United States unless its Chinese parent company can sell it by Jan.

Harvard University has hired another law firm to help it navigate a U.S. House investigation into its response to claims of pervasive antisemitism on campus, weeks after mounting criticism helped spur the resignation of Harvard president Claudine Gay.

The lawyer for TikTok and its Chinese parent company ByteDance offered a warning during Supreme Court arguments over a law that would compel the sale of the short-video app or ban it in the United States: If Congress could do this to TikTok,