Independent presidential candidate Robert F. Kennedy Jr. threatened to challenge a potential TikTok ban Friday‚ as efforts to block the video app in the U.S. came closer to reality earlier this week. “I’m going to file a lawsuit challenging the TikTok ban on Constitutional grounds‚” Kennedy wrote on social media platform X. “Don’t be fooled — the TikTok ban is not about China harvesting your data. That’s a smoke screen.” “Intelligence agencies from lots of countries‚ especially ours...