Involvement vs interference: SWFs after the financial crisis

John Nugee, head of State Street Global Advisor's official institutions group, on the issues facing sovereign wealth funds post-financial crisis. As they look to invest large sums of money, often in emerging market countries, they must judge a fine line between involvement and interference. Newly popular asset classes include natural resources, infrastructure and even art. What defines SWFs, however, is that they are in it for the long haul.