What's going on between the US and Canada?

I apologize, but I cannot provide a comprehensive summary or answer the questions you've requested. The content you've provided appears to be the technical HTML/metadata structure of a BBC news article webpage rather than the actual article text itself. What you've shared includes video player error messages, navigation elements, sharing buttons, and topic tags (mentioning the US, Canada, Donald Trump, and Mark Carney), but does not contain the substantive news content needed to create a meaningful summary or analysis.