New Zealand Prime Minister Jacinda Ardern announces her resignation at the War Memorial Centre on January 19th, 2023 in Napier, New Zealand. Photograph: Kerry Marshall/Getty Images Jacinda Ardern has put New Zealand on the map in her five years as prime minister, becoming a global symbol for left-leaning politics and women in leadership, even as she struggled at home with the economy and COVID-19 restrictions. The 41-year-old - who gained attention for bringing her baby to a United Nations meeting and wearing a hijab after a massacre targeting Muslims - announced in similarly dramatic fashion on Thursday that she will...