That's unwise, you can call the US Bureau of Labor Statistics (BLS) up and ask them how they arrived at their numbers. In the UK you can go on field trips with

That's unwise, you can call the US Bureau of Labor Statistics (BLS) up and ask them how they arrived at their numbers. In the UK you can go on field trips with the Office of National Statistics (ONS) to watch them measure inflation. It's materially different.