ST. JOHNâ€™S, N.L.â€”The public conversation about Canadian politics has changed a lot since the Trudeau Liberals replaced the Harper Conservatives. Reasons extend beyond the realities of a new government and the fresh faces who have an ambitious centre-left agenda. Social media continues to turn traditional politics upside down. There is an unsettling fascination with the American president. We are in a new normal of diversity, inclusiveness, Indigenous politics, middle class, selfies, climate change, marijuana, and other such topics.