For nearly three years, the US government has tried to ban TikTok. Concerns over the app’s alleged risks to national security have spanned two presidential administrations and forged alliances among Republicans and Democrats. At a time of heightened partisanship, TikTok and its Chinese parent company, ByteDance, have become the focus of anti-China policy — a convenient villain most lawmakers are prepared to fight. Last month, that outrage hit a fever pitch. The Biden administration reportedly threatened to ban TikTok if it didn’t find an American owner. House lawmakers brought the company’s CEO, Shou Zi Chew, in for an explosive hearing....