Italian journalist and former Iraq war hostage Giuliana Sgrena offered yesterday to meet face-to-face with Spec. Mario Lozano, the New York City National Guardsman who shot her in a friendly fire mistake on a deserted road to the Baghdad airport last year. "I think that it would be useful for him and for me to have an exchange of opinion," Sgrena said during her first visit to the United States since the shooting. The shooting, which killed Nicola Calipari, the Italian government's second-ranking intelligence officer, just minutes after Calipari had secured Sgrena's release from Iraqi guerrillas, sparked a public furor...