China is telling its companies to ignore U.S. sanctions tied to the Iranian oil trade. China has long been critical of U.S. sanctions but usually allows its largest companies to comply with them. So what has changed and what is their strategy here? Katy Tur analyzes China's role in the U.S.Iran war. MS NOW: My Source for News, Opinion, and the World. » Subscribe to MS NOW: https://www.youtube.com/@msnow » Subscribe to MS NOW’s We the People Newsletter for exclusive content from your favorite MS