Al Jazeera: Corruption and intimidation are being blamed by environmentalists for the choking smog that characterises the dry season on Indonesia's Sumatra island. Campaigners say that illegal slash-and-burn clearance by large corporations is causing rampant deforestation but persists because of widespread corruption among local officials. The dry season inaugurates a period of intense activity for Indonesia's fire investigators, as large corporations and smallholders allegedly begin illegally burning their...