Gasoline Prices.

While inflation (as measured by the Consumer's Price Index) has been held in relative check for the past several years, gasoline prices have not.

Gas prices are considered a 'pocketbook' issue -- all consumers feel the hit when gas prices go up. And they have increased significantly during George W. Bush's time in office.

Gas Prices -- 1990 to 2004

Source: U.S. Bureau of Labor Statistics
Gasoline, all types, per gallon