OTTAWA — The stubbornness of inflation and intense domestic divisions over the Israel-Hamas conflict are looming heavily over the federal Liberals as ministers prepare to meet over three days in Montreal next week. Prime Minister Justin Trudeau plans to chair the cabinet retreat starting Sunday to prepare his government for the return of Parliament a week later. Housing affordability and cost of living remain the most critical issues for the government, which has yet to find a way to counter attacks from the Conservatives that Liberal policies are to blame for the economic turmoil. Tensions remain high around the Middle...