OTTAWA—Canada’s outgoing ambassador to the United States Kirsten Hillman says now is a good time to leave a job she loves, that it was her decision and not a push by the prime minister, and that her successor’s biggest job is to be Mark Carney’s eyes and ears on a powerful U.S. president and the shifting circles of influences around him.

Hillman is jammed for time — doing just that. A day after her surprise announcement she’d soon leave her post as ambassador and as co-lead on Canada-U.S. trade negotiations, Hillman is juggling calls, prepping to testify Thursday at a closed briefing of congressional ways and means committee members. Federal Politics

Canada’s ambassador to U.S. Kirsten Hillman quits unexpectedly as trade talks falter

Hillman did not say why she is leaving in the ne

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