US President Joe Biden has said he wants to patch up a US-Canada relationship that frayed under Trump. In fact, Biden's first phone call to a foreign leader after taking office was to Canada's Prime Minister Justin Trudeau. That makes sense, considering the two long-allied democracies share a continent and do some $700 billion in annual trade across the world's longest land border.
Biden and Trudeau — who was best buddies with Barack Obama, Biden's former boss — share views in many areas, from human rights and democracy promotion to, in principle, climate change. But a host of issues will make it hard to smooth things over completely. What are the main sticking points between Ottawa and Washington right now?