Matthew Warshaw is Senior Research Manager for D3 Systems, which specializes in opinion research in difficult environments. D3 has particular expertise in the Middle East, where since 1988 it has developed an experienced network of field research teams. WorldPublicOpinion.org worked with D3 on its nationwide surveys of Iraq (January and September 2006) and of Afghanistan (December 2005 and November 2006) . Warshaw spoke with WPO Managing Editor Mary Speck.