"Stories about migration, some of which date back several thousands of years and some of which are much more current, still play a toxic role in the politics of South Asia. But every country has its really odd set of migration narratives. The modern narrative on migration is so messed up that it's impossible to attack it head-on. I've tried to do that by pulling back into history in which some of the absurdity shines through" - Sam Miller, author, Migrants; The Story of Us All talks to Manjula Narayan about his new book, that presents the historical movements of everyone from the Vikings, African Americans, and the Jews to the Yahgans, Pocahontas and the Chinese