The U.S. Senate Judiciary Committee on Jan. 20 voted 16-6 to advance legislation that would bar tech giants such as Amazon.com from giving preferential treatment on platforms they own to their products and services, in defiance of powerful Silicon Valley lobbyists and pleas from top executives such as Apple CEO Tim Cook. The approval of the American Innovation and Choice Online Act passed with bipartisan support, and now goes to the Senate floor to face a vote. It’s an amended version of legislation cosponsored by Sens. Amy Klobuchar (D-Minn.) and Chuck Grassley (R-Iowa), which was expanded to include popular apps such as TikTok and specified that app companies may not share data with firms that the U.S. government considers to be national security risks. “As dominant digital platforms—some of the biggest companies our world has ever seen—increasingly give preference to their own products and services, we must put policies in place to …