It's U.S. midterm day. Could a Democratic wave break Trump's tariffs on Canada?

Americans go to the polls for U.S. midterm elections just as Ottawa indicates formal trade talks could resume. Will Democrats perform as well as polls project, and how could tonight’s results impact potential trade negotiations? Power & Politics speaks with a political analyst ahead of poll closures plus former diplomats Kirsten Hillman and Bruce Heyman, and later on, the Power Panel weighs in.