The Last Mughal is much more than the biography of one man. It is the story of a city, Delhi, teeming with conmen and holy men, hawkers and prostitutes. It is also a lament for the lost world of the Mughals, a genuinely multicultural synthesis of Indian and Islamic traditions, from music to miniature painting. Above all, it is a terrific retelling of the event that ended Zafar's reign the India…