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A more serious concern for Congress and the White House is TikTok, the wildly popular video-sharing app that many in Washington fear is in cahoots with the Chinese Communist Party. Here's what we know about the growing feud between the US and China over the app:

TikTok is once again fending off claims that its Chinese parent company, ByteDance, would share user data from its popular video-sharing app with the Chinese government, or push propaganda and misinformation on its behalf.