Canada is one of the United States’ largest trading partners, but President Trump wants to either take it or leave it.

President Trump will stand before a joint session of Congress on Tuesday to give an accounting of his first weeks in office. Meanwhile, Trump’s long-threatened tariffs against Canada and Mexico finally went into effect Tuesday, setting up costly retaliations by the United States' North American allies.

I've lived in many places around the world, but the town Banff in Canada is still my favorite for many reasons, from its food to its changing seasons.