We like the Political Calculations blog and don't link to him enough. Time to rectify.
From Political Calculatiions:
A story in two pictures, covering January 1976 (the earliest year for
which we have average inflation-adjusted monthly retail motor gasoline
prices in the U.S.) through February 2012:
Now the exact same data, but this time, with the data for average
inflation-adjusted monthly retail motor gasoline prices shifted two
years forward in time (to the right)...
...
MORE (he has a Ta Da! moment)
