Dateline Pacific morning edition for 6 March 2018

More strong aftershocks have rocked Papua New Guinea's Highlands, a week after a magnitude 7.5 earthquake killed dozens of people; New Zealand's Prime Minister Jacinda Ardern is leading her first official tour to Pacific Island nations; New conservation initiative in Solomon Islands hopes to show rural communities alternatives to logging; Tonga's PM told to step up and take charge, and; NZ activist frustrated over Papua report redactions.