Simon Kelly's involvement in property development began when, as a computer-mad child in the 1980s, he started making spreadsheets for his father, the developer Paddy Kelly. By 2008, when the Irish property market crashed, Simon and Paddy owed their creditors nearly a billion euro. In 2009, they were the first big developers to admit they were bust - and they encouraged their fellow developers to face reality in the same way. In 2010, in the pages...