Rising gasoline prices could pose a political risk to President Obama. For years, the issue has fueled attack ads.
Scoop Jackson ad (1976 primaries, scroll down to "Gas Prices")
GOP attack ad against congressional Democrats (1980):
Gore attack ad against George W. Bush (2000):
George W. Bush attack ad against Kerry (2004):
Clinton attack ad against Obama (2008):
DNC attack ad against McCain (2008):