https://www.reuters.com/article/us-usa-tiktok-cfius-analysis/bytedances-bid-to-keep-most-of-tiktok-faces-major-hurdles-idUSKBN2680KL >China's ByteDance faces an uphill struggle to convince the White House to allow it to keep majority ownership of its popular short video app TikTok in the United States, according to former national security officials and regulatory lawyers.