Senator says Congress must investigate TikTok deal, faults lack of details

Group 1 - The core viewpoint of the article is that Democratic Senator Ed Markey has called for a congressional investigation into a deal finalized by ByteDance, TikTok's Chinese owner, to create a majority American-owned joint venture [1] Group 2 - The joint venture aims to address concerns regarding data privacy and national security associated with TikTok's operations in the United States [1] - Senator Markey's statement reflects ongoing scrutiny and regulatory challenges faced by foreign tech companies operating in the U.S. [1]