Yellen's Caution

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The boss of the US central bank, Janet Yellen, has emphasised "uncertainty" over the labour market in her speech at the Federal Reserve's annual conference in Jackson Hole, Wyoming. We talk to Ethan Harris, chief economist at Bank of America, about the implications of what she said. Also we hear from Poland where Russia's ban on food imports from the European Union is hurting the country's apple growers. Normally Poland is Russia's biggest supplier of the fruit so, with the autumn harvest about to start, it is becoming a race against time to decide what can be done with the crop. We take a look back over some of the key events in the worlds of business and international politics over the past week. And we're joined from Melbourne, Australia, by Professor of Management at the University there, Peter Gahan.