Holbrooke says the long-held notion that Afghanistan's illicit opium trade is the main source of funding for the insurgency is simply not true.

VOA: standard.2009.06.15

(Speech) He says that today, the propaganda of arrogant nations of the world is the main source for the existence of conflict inside Iran.

VOA: standard.2009.12.07

In developing countries, the main source of water pollution is not stormwater,but waste water.

VOA: standard.2010.08.04