A rift between two Canadian provinces is threatening to derail a pipeline expansion that would nearly triple the amount of crude flowing from this town in northeastern Alberta, most of it toward Asian markets. Kinder Morgan Canada Ltd. said on Sunday it would scrap the expansion of the Trans Mountain pipeline if Canada’s federal and provincial governments couldn’t resolve their differences by May 31, raising pressure on Prime Minister Justin Trudeau to intervene on behalf of a project that has big implications for world oil markets. The pipeline expansion has hit stiff opposition in British Columbia where environmentalists and lawmakers say it puts the Pacific coastline at risk. That has infuriated many in Alberta, the sprawling Western province that is home to 97% of Canada’s oil reserves. Nowhere are the stakes higher than in Fort McMurray, a town so embedded in the oil sands that a heavy, […]