Seth Tinkham is a correspondent for the National Trust for Historic Preservation, and he's taken a JetBlue 30-day All-You-Can-Jet Pass and a laptop on the road--or to the skies, rather--on a tour dubbed the JetModern, aimed at spotlighting modernist design treasures in major US cities. His trip concludes next week here in Los Angeles, where he will visit buildings that exemplify the modernist style that are in need of some preservationist attention. more ›