What's behind all the wild weather in Canada this summer?

The federal government’s decision to allow British Columbia to collect royalties from a proposed new pipeline to the West Coast sets a dangerous precedent for internal Canadian trade by allowing one province to charge a toll for the transportation of goods from another province, analysts warn. Allowing B.C. to charge a pipeline operator for passing through its province, they say, could establish a new framework where provinces could also start charging each other for other types of commercial traffic, perhaps including even transport trucks or rail cars that travel through another...