Just over a year ago, I went to Mohamad Mahathir's office on the 86th floor of the Petronas Twin Towers to interview the former Malaysian prime minister about Barry Wain's recently published biography of him. It was a frustrating business. I suggested we begin by talking about "the book." He claimed not to know which one I was talking about – even though the media in Singapore and Kuala Lumpur had been full of it for weeks, not least because at that point the Malaysian authorities were not letting it into the country. So I held up a copy of