Muhammed Selim Korkutata | Anadolu | Getty ImagesPresident Donald Trump on Thursday signed an executive order approving a proposal that would keep TikTok alive in the U.S. in a transaction that Vice President JD Vance said values the business at $14 billion.The deal satisfies the requirements of a national security law requiring China-based ByteDance to sell TikTok's U.S. operations or face an effective ban in the country, according to the executive order. Under the terms, which China must still...