PHILADELPHIA -- Relatives of Nicholas Berg, the young American entrepreneur beheaded in Iraq, have taken different paths as they've searched for solace in the year since his death. His father, Michael Berg, has intensified his anti-war activities and traveled the globe to meet families of other civilians kidnapped or slain in Iraq. His weekly peace vigil at a suburban Philadelphia courthouse and frequent interviews contrast sharply with the response of his wife, Suzanne, who has grieved privately since her son's body was found on a Baghdad street on May 8, 2004. "We're through the worst of the friction that emerged...