Glen Hann and his wife traveled from Newfoundland to western Canada’s oil fields eight winters in a row, returning to this former fishing town in the spring with income they could never hope to earn closer to home. Then, this past December, Mr. Hann’s employers told him to stay home. Mr. Hann is among the thousands of Newfoundlanders who have traveled west over the past decade to work in Canada’s booming oil sands, a trek that has become one of North America’s longest commutes and has supported communities in some of Canada’s poorest eastern provinces. Now, falling oil prices are putting an […]