The Canadian PM is navigating his role as a diplomat and statesman—not a politician on the campaign trail, writes David Moscrop.

The Canadian prime minister met with President Trump days after being elected on an anti-Trump platform as relations between the two allies are at a historic nadir.

When President Donald Trump welcomes his new Canadian counterpart to the White House on Tuesday, among the questions looming over their Oval Office encounter will be whether Trump will agree to attend a major summit Prime Minister Mark Carney is hosting next month in Alberta.