karim wasfi: this is the only approach to resolving this agreement. this is the only way to resolve disagreement. it is an endless killing machine. doubts, yes. but i overcome those doubts with hard work. am i hopeful? i don't want to comment on that. reporter: an evening game of dominos and lively discussion in a local cafÉ. wasfi tells us that iraqis are simple people and don't need much to feel satisfied. he asks us why iraqis should have to constantly fear for their lives. he rejects accusations that he's naive. he says he's escaped 33 bombings. karim wasfi: a bomb is made to explode. so it's becoming what it is when it explodes. so escaping or avoiding or not being within the perimeter of such an event, i thought had a meaning and still does. reporter: he says people could surrender to the terror, and that's an obvious concern in baghdad. his message -- it's possible to choose differently, for culture, music, and life. kate: well, as karim wasfi shows, the smallest gestures often have the biggest impact. to beat global warming, we're going to nee