The two parties that control Congress rarely agree on much, whether it's guns, the border, or how to structure the federal budget. When it comes to pending legislation to ban the social media app TikTok, however, the battle lines between Republicans and Democrats are considerably less clear. For months, conservatives around the United States have spearheaded efforts to ban the video-based app over TikTok's ties to Chinese company ByteDance, and its likely compliance with an opaque law in the country requiring all companies within its border to share all user data that could be deemed relevant to national security. State...