After nearly six years leading New Zealand, Jacinda Ardern’s tenure as prime minister will come to an end February 7, as her Labour Party dips in the polls and the country appears poised for a recession. It’s also the end of at least one phase of her international prominence. Ardern didn’t become famous because of New Zealand’s primacy in the international order, but rather because of who she was, and her specific responses to the national and international catastrophes that defined her tenure. She was celebrated for her leadership through a white supremacist mass shooting at two mosques in the...