'This is a retroactive tax': Trump halts trade talks with Canada over digital services tax

CTV's Colton Praill explains the collapse of digital tax talks, its goals, and why it may have angered former President Trump. Subscribe to CTV News to watch more videos: https://www.youtube.com/ctvnews Connect with CTV News: For live updates and latest headlines visit: http://www.ctvnews.ca/ For breaking news, fast, download the CTV News App ...