Pierre Poilievre’s popularity has eroded in Ontario. Here’s what polling data shows Inside HaltonPierre Poilievre wins Battle River-Crowfoot byelection CBCGlobe editorial: Serious times call for serious politicians The Globe and MailOpinion | Mark Carney’s real test starts now Toronto StarHalf of Canadians would be ‘ashamed’ to call Pierre Poilievre PM: Angus Reid CTV News