join tavis in working to improve financial literacy and remove obstacles to .conomic empowerment amea ti t a ti a. nationwides on y ir side. >> and by contributions to your pbs station from viewers like you. thank you. [captioning made possible by kcet public television] tavis: always pleased to welcome tom brokaw to the program. he is a perennial "new york times" best selling author. his latest book is called "the time of our lives, a conversation about america." a pleasure to have you on the program. >> always a pleasure to be here. tavis: if the time of our lives will be defined by anything, it will be by the war in iraq or afghanistan. yesterday, president obama gave a talk to the troops in afghanistan talking about the end to the iraq war. how do you think that history will be defined vis-a-vis the war? >> we went to war on a false premise, that there was weapons of mass destruction. even president clinton thought there was weapons of mass destruction. should we have gone carter earlier in afghanistan? we had them in a box. then, we have decided to rearrange iraq and position it to