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Nunavut MP Lori Idlout crossed the floor this week, becoming the first New Democrat to defect to Prime Minister Carney’s Liberals.

With three byelections coming up next month, this puts the Carney Government on a likely path to a majority. It also adds to the troubles facing the NDP, who are in the middle of a leadership race following their worst election result ever.

CBC senior writer Aaron Wherry talks through how this could all play out.