The chances of the Republicans winning the House in the U.S. midterms are increasingly slim, according to the polls. They may even lose the Senate, as Democrats continue to gain ground. But even if the Democrats sweep the midterm election in November, what difference could it make? Washington correspondents Katie Simpson, Willy Lowry and Paul Hunter break down whether a party switch in Congress and the Senate could curb Donald Trump's power, and what it could mean for Canada-U.S. trade relations.
