"On Sunday Myanmar started its first census in 30 years. And while the national survey poses many challenges and risks, including sectarian violence, it also presents some opportunities, says New Mandala co-founder Nicholas Farrelly. Speaking to the ANU College of Asia and the Pacific from Myanmar?s capital Naypyitaw, Farrelly said the census highlights a ?huge conundrum”. ?We don?t know what we don?t know,” he said. ?Across the gamut of Myanmar society the information available to decision-makers is incomplete and inconsistent. For example, are all 135 national races recognised by the country viable categories?..."