https://www.reuters.com/article/us-usa-tiktok-bytedance-insight/tiktok-troubles-narrow-gap-between-beijing-and-bytedance-founder-zhang-yiming-idUSKBN25W0EM >ByteDance founder Zhang Yiming has long positioned himself as a global internet entrepreneur, largely eschewing Chinese government involvement, but U.S. demands to sell his crown jewel TikTok are testing the boundaries with Beijing.