Chairman of the Italian Democratic Party <a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Pier+Luigi+Bersani&family=editorial&specificpeople=4182508 ng-click='$event.stopPropagation()'>Pier Luigi Bersani</a> attends 'Il futuro e di tutti ma e uno solo' book presentation held at Casa della cultura on January 18, 2011 in Milan, Italy.