Alaska Gov. Mike Dunleavy is asking President Donald Trump to grant a presidential permit to extend the Alaska Railroad into Canada, supporting a Canadian company seeking to blaze a new path for Asian-bound products. Linking the Alaska and North American rail systems, an idea more than a century old, would cut at least two days travel time for Canadian and Lower 48 cargo headed to the Far East because of shorter sea routes, supporters say. “To me it was a no-brainer,” said Sean McCoshen, chief executive of Alberta to Alaska Railway Development Corp., speaking to the Senate Transportation Committee late...