it is an honor to be here, to share the stage with john nagl. it was wonderful to hear about is wide and various career. thinking of various aspects of that you have been to prestigious universities and served in the u.s. army which makes you an expert in a variety of large institutions and. >> i now read a school. if you think it is hard change and are tried changing the school. >> tradition. john nagl served in iraq. part of the eight your struggle the ended in 2011 when all u.s. troops, thank god we will never have to fight fair again. realize that is dark humor and but you go into tumor to paraphrase the defense secretary you fight a war with the tumor you have and that is what we have at the moment. john went on to serve as head master of his school. in is interesting that he was an expert in counterinsurgency. someone concluded that was good preparation for watching after several hundred boys. >> thousand boys as anyone who has been parent of a teenage boy knows, they are one unsupervised hour away from absolute chaos. >> it would take an

. >> retired lieutenant colonel john nagl talks about the development and effectiveness of the counterinsurgency strategy that the u.s. used in iraq and afghanistan. this is about an hour. p.m.