dr. robert gould is with us from san francisco, he's the president of the san francisco bay area chapterof physicians for social responsibility. he wrote the foreword for the new international edition of the report, "body count: casualty figures after 10 years of the war on terror'." dr. robert gould, the figures laid out in this report say 1.3 million people have died in iraq, afghanistan, and in yemen. and it says that this could possibly be not in over estimate, it says it is the minimum numbers. igo possibly be as high as -- it could possibly be as high as 2 million. you do talk about the significance of what these figures mean? >> as you relate, these are incredible figures in terms of the total counts and they compare markedly with with those estimates that have come out of organizations such as iraq body count in the past, which use what are known as passive methods of detecting casualties in war because they rely on official reports and morgues and things like that to arrive at their estimates. it obviously, those type of methods really lack the ability to determine the full cost