Recorded on location in Mexico City, Colin Marshall talks to David Lida, author of First Stop in the New World, Las llaves de la ciudad, Travel Advisory: Stories of Mexico, and the blog Mostly Mexico City. A native New Yorker, Lida moved to Mexico City in 1990 — a year considered by many to have been the megalopolis' absolute nadir in terms of crime, crowding, and pollution — and hasn't looked back, becoming the best-known English-language chronicler of el Distrito Federal in the 21st century.