Here's a great way to uncover some of the -ahem- controversial methodology behind our official government numbers. The alleged motivation? A desire to beguile the masses, lower government payouts to social security (which is tied to inflation) and good old fashioned naivety.
Blogging cult favorite John Williams has a website that shows his reasoning about revising the official figures of inflation and unemployment (among other things).
Read about Mr. Williams and decide for yourself.
There is no shortage of critics of John Williams (just look around). Here's blogging legend Mish discussing Williams's GDP methodology.