The most productive most people are on the subway is scanning a few headlines in the paper or getting through a chapter of a book. Maybe some can manage to put on their mascara, but that's real talent. That's why The Morning News's feature on Witold Riedel and his drawings that take seed from his subway journeys is fascinating. Riedel has some beautiful thoughts about New York and riding the subway, like "New York appears to be not really one city, but millions of parallel cities, seen from the point of view of every person living here. The subway is a place where very different perspectives are packed onto a common below-ground denominator." Here here.