Mexico and Argentina

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Pascale Harter introduces insight, wit and analysis from BBC correspondents, journalists and writers from around the world. In this edition: Delivered like pizza Sex trafficking is a brutal business - fueled with the bodies and the misery of women tricked into prostitution by pimps and people traffickers. But who are the dealers, and where are they from? Laura Trevelyan visits a hub of the trade: a sinister town in Mexico - where they know you're coming long before you even get there. A lottery you just can't win Argentina's history is full of economic boom and bust - and political turmoil in their wake. In recent years, the high price of commodities and recession in Europe have worked in the country's favour - but there are more and more questions over the realism of its economic policies. "Cristinaism" - the model promoted by the much-loved President Cristina Fernandez de Kirchner - has been producing some odd indicators recently. And Ray Kershaw in Buenos Aires found that ordinary people are feeling the pinch when it comes to their weekly shop. (Image: A teenage girl holding her head in her hands looking despairing. Credit: JIM VARNEY/SCIENCE PHOTO LIBRARY)