US President Donald Trump and Canada's Prime Minister Mark Carney meet in the Oval Office of the White House on Tuesday. Evelyn Hockstein/Reuters

Prime Minister Mark Carney of Canada wasn’t leaving anything to chance when he was packing for his visit to Washington this week — including, apparently, his neckwear.

“I wore red for you,” he explained to US President Donald Trump, gesturing to his patterned tie colored to match typical Republican branding, as they shook hands beneath the West Wing Portico.

Trump, it turns out, was wearing blue.

After months of tangling on trade — and trying without much success to neuter Trump’s threats to annex his country — Carney is still trying to get on the president’s wavelength. And he might be making some nascent progress.

He entered Tuesday’s

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