TikTok makes its case to skeptical justices: 'No valid interest' in 'preventing propaganda'

The Supreme Court is hearing oral arguments Friday morning over whether the social media platform TikTok should be required to divest from its Chinese-owned parent company or be banned in the U.S., in a highly watched case that pits concerns over national security against free speech protections. Justices both conservative and liberal appear skeptical of the social media app's arguments.

Unless justices intervene, or TikTok’s owners agree to sell, the app will be barred from operating...