Bob Hamilton, commissioner at Canada Revenue Agency, to retire amid shakeup of the top executives of the public service

Conservative Party members from across the country are gathering today in downtown Calgary for the federal party’s convention, set to run through the weekend. They’ll cast non-binding votes on a variety of policies and conduct a mandatory leadership review. But their real task will be to demonstrate that the party is both unified and gaining momentum, even after a federal campaign this past April in which the Conservatives lost their grip on a twenty-four-point lead, and party leader Pierre Poilievre lost his own riding, allowing the Liberals to stay in power with a minority government....