By Steve Scherer OTTAWA (Reuters) - Canadian Prime Minister Justin Trudeau made massive changes to his cabinet last week in a move political analysts say is more theater than substance, but the Liberal leader's close advisers say it shows his determination to seek a fourth election victory. With a string of recent polls showing the left-leaning Liberals trailing their right-of-center Conservative rivals after almost eight years in power, Trudeau changed or shifted three-quarters of his cabinet. A cost-of-living crisis, a sharp rise in interest rates, and a chronic housing shortage have given t...
