As new tariffs, increased geopolitical tensions and a shifting rules-based order challenge the closest of allies, how will Canada and the US redefine their relationship?
"I think as we turn and look forward to what will happen in Egypt, everybody is waiting to see whether President Trump will stay the course," Council President and CEO Dr. Leslie Vinjamuri tells BBC News.
After meeting with Zelenskyy during the UN General Assembly, "Trump has moved so dramatically from being what felt, for a very long time, like he was in Vladimir Putin's corner to being very much in Ukraine's corner," Leslie Vinjamuri says.