National Post reports: White House staff called the Prime Minister’s Office last month to urge Justin Trudeau to persuade President Donald Trump not to tear up the North American Free Trade Agreement, according to multiple Canadian government sources.

The unconventional diplomatic manoeuvre — approaching the head of a foreign government to influence your own boss — proved decisive, as Trump thereafter abandoned his threat to pull out of NAFTA unilaterally, citing the arguments made by Trudeau and Mexican President Enrique Pena Nieto as pivotal.

But the incident highlights the difficulties faced by governments all over the world when it comes to dealing with a president as volatile as Trump. [Continue reading…]