I heard from clear across the city, over the Hudson in the Jersey yards, one fierce whistle of a locomotive which took me to a train late at night hurling through the middle of the West, its iron shriek blighting the darkness. One hundred years before, some first trains had torn through the prairie and their warning had congealed the nerve. "Beware," said the sound. "Freeze in your route. Behind this machine comes a century of maniacs and a heat which looks to consume the earth." What a rustling those first animals must have known.

An American Dream