It can be one of the thorniest issues for Canadian politicians — highly divisive and filled with decades of fighting, with potential for political blowback from one side or the other. While conflict has raged in the Middle East in recent months, federal Conservative Leader Pierre Poilievre has tended to focus on bread-and-butter domestic issues, such as inflation and the Liberal government's carbon tax. In the House of Commons, Poilievre has referred to Israel or Gaza only a handful of times. However, during a speech at a Montreal-area synagogue last week, Poilievre provided one of the most comprehensive glimpses since...