In my dispatch to you yesterday, I wrote that Canadian National Railway is trundling heroic amounts of containers, grain, crude oil, forest products, autos and what-have-you across the prairies, between Edmonton, Alta., and Winnipeg, Man., and that as a result nothing seems to get anywhere in a hurry. It’s like herding rhinoceroses, except that rhinos are more easily herded. Today I intercepted VIA Rail’s eastbound Canadian, and shadowed it for more than 250 miles, from near Watrous,...