This year has been an up-and-down year for federal Conservative Leader Pierre Poilievre. He is back in the House of Commons as leader of the Official Opposition and got an overwhelming show of support from delegates at the party’s convention in Calgary, but his party’s support is stalling in national polls, and the Carney Liberals could garner a majority with a series of byelection wins. Poilievre recently embarked on a trip to the U.S., where he met with officials and business leaders, which culminated in a highly publicized appearance on The Joe Rogan Experience. National Post...