Montana’s House of Representatives today approved a bill that would ban streaming app TikTok. It now moves to Republican Gov. Greg Gianforte, who can sign it into law. If approved, Montana would be the first state to ban TikTok downloads. The legislature and critics of the streaming service fear the Chinese government’s potential to hoard US user data. That could potentially enable them to mount disinformation campaigns or otherwise manipulate users. Under Montana’s bill, it would be illegal to allow downloading of TikTok in the state. Violators would face a fine of $10,000 a day. App stores like Apple and...