Mark Carney won the Canadian election on a promise to deal with Donald Trump – to quash his tariffs and threats about the 51st state. But with big domestic issues rearing their heads, from a looming Canada Post strike to threats of an Alberta succession referendum and growing demands from premiers – should Trump still top the PM’s to-do list? Catherine Cullen, Jason Markusoff and Daniel Thibeault debate what issues Carney should tackle first.