This article is called: Do you know the difference between CPI and Inflation
You should read it.
Additionally, Gas is a global commodity. If you think the president, congress, or any US citizen has control over it, you need more than the schooling I am giving you now. Increases in food prices are a direct result of actuarial and speculative adjustments based on the massive drought happening across the country. Fact.
What's more... Here is the CPI (including gas and food) over the last 30 years:
http://www.ssa.gov/oact/STATS/cpiw.gif
Show me again where the big bad Obama exponential increase starts? Oh, the vector would actually be higher had it not gone down (as a result of decreased fuel demand) during his watch (no fault of his own).... gotcha.
Put your fucking spoon away, this is a gunfight.