Sidewalk plows in Ottawa getting a tech boost to help with salt distribution

OTTAWA — As Prime Minister Mark Carney’s speech about the need for middle powers to unite against “hegemons” receives international praise, his main political rival back in Canada calls him “lucky” to be judged by his words.  Opposition Conservative Leader Pierre Poilievre on Thursday afternoon released his rebuttal to the prime minister’s address, delivered two days earlier at a meeting of political and business elites at the World...