Powell was quite clear that things are kind of moving in the right direction, but progress has been quite disappointing, at least on the inflation front. In March of last year, interest rates were around zero, and now they're well above 5%. So that's a hefty dose of tightening. And secondly, there's a lot of uncertainty about how long those changes take effect and start to really show up in the economic data. Our Russia correspondent, Polina Ivanova, uncovered this story.