The International Monetary Fund says corruption siphons $2 trillion a year out of the global economy, slowing growth and fuelling poverty. Endemic corruption is very hard to deal with. But not impossible. We tell the astonishing story of one country – Georgia – which did turn itself around. At the turn of the century Georgia was one of the most corrupt states in the world. Now it is one of the cleanest. How did it do it? (Photo: Two men in suits shake hands while one puts money into the pocket of the other. Credit: Shutterstock)