A visiting defence and foreign policy expert is urging New Zealand to rethink how we prioritise defence spending, arguing we should draw inspiration from the Australian echidna – a small but spiky animal. . Sam Roggeveen, a programme director at the Lowy Institute in Australia, came to New Zealand as a guest of Victoria University’s Centre for Strategic Studies. . He says the future of defence of Australia and New Zealand relies on making use of the vast distances any attacker would have to cover, and to purchase equipment designed to sink ships and shoot down aircraft. . Join Jack Tame and the Q+A team and find the answers to the questions that matter. Made with the support of NZ on Air.