An extravagantly designed portrait--in comics, photos, and a DVD documentary--of the world-building artistWhen you live in an ornamented world where your home is a museum of 1940s design, you don't leave the house without a hat and tie, and your wife owns a barber shop--which you designed--it's hard to imagine letting a documentary about you go to press without constructing an exquisite package for it. In Seth's Dominion, the National Film Board documentary by filmmaker Luc C