It's been said before, jokingly, that Jacinda Ardern is the coolest government leader in the world as well as one of the youngest. Source: The Guardian New Zealand’s prime minister, Jacinda Ardern, has developed a reputation for keeping her cool in the face of a crisis. But an earthquake first thing on Monday morning as she was interviewed live on television seemed like an unusually trying way to start a week. “We’re just having a bit of an earthquake here,” Ardern told Ryan Bridge, a host for Newshub’s AM Show, live on air.