Analysis: PM headed to Washington for NATO Summit

The Prime Minister is on his way to Washington for his first NATO Summit, hoping to meet President Biden. As NATO marks its 75th anniversary, world leaders are expected to focus on the conflicts in Ukraine and Gaza. This is the third time New Zealand, Australia, Japan and South Korea - all non-NATO members - have been invited to the summit. Otago University professor of international relations Robert Patman spoke to Ingrid Hipkiss.