As gun-related violence spikes in Toronto, Canadian Prime Minister Justin Trudeau has called for adding more “common sense” gun restrictions to the country’s already restrictive firearm laws. Toronto enjoys a relatively low gun-related homicide rate compared to many U.S. cities, but that hasn’t stopped Trudeau from blaming guns for the city’s crime. “Recent shootings have underscored the need for common sense firearms policy,” Trudeau said at a press conference after a meeting with Toronto Mayor John Tory. “We need action. But Mayor Tory and I agree that we can’t simply arrest our way out of this problem.” Seventeen people were...