A place in transition, in all its complexity, imperfections, and contradictions. — Nairobi almost feels like a Wild West town, or maybe New York City in the early 20th century. Modern buildings going up next to makeshift kiosks, guys hauling stuff around on carts, and too many people crammed into slums. Not third-world, definitely an up-and-comer. Some cities are settled business, Nairobi…