Hello, Prime Minister Justin Trudeau says “there will have to be changes” as a result of the report into the worst mass shooting in Canadian history. “We will take the time now to properly digest and understand the recommendations and the conclusions and the opportunities that the commission has put forward for us to take up,” Mr. Trudeau said Thursday. Mr. Trudeau was in Truro, N.S., after the release of the final report of the Mass Casualty Commission into the 2020 mass shooting in Nova Scotia that left 22 people dead. “There’s no question there need to be changes, and...