known as johnie walker. telling his story in a book called "code name:johnie walker". johnny, we'll call you, that's the name that we love. why did you start helping the americans? >> you know, the beginning of 2003 i work with military police, and at that time it's kind of like big, huge deal, if you got chance and work with the american. first of all, i worked, like i told you, i love the american culture, american things, and i play basketball and listen to all of the john wayne movies. so it's like my dream. >> wow. you know, johnny, the debate in america around iraq to oversimplify it i think at times similar to the debate within iraq, which is ultimately was this intervention good for the people of iraq? was it good? and i ask you, as you have a unique perspective, as an iraqi-born individual, worked with the u.s. army, how did you feel about that? obviously you did this work that you thought was right. how did you feel, though, being on the ground watching what we all know at times incredibly difficul