NEW YORK, NY June 22, 2008 —Presidential hopeful Barack Obama's campaign is responding to high prices at the pump by calling for an end to excessive speculation in the energy market.

REPORTER: Supporting Obama's position during a conference call today, New Jersey governor Jon Corzine said hedge fund managers and investment bankers can now use the so-called Enron loophole in a 2000 commodities law to manipulate the market, and he says *that's* helped cause the current spike in gas prices.

CORZINE: One thing is for sure.:I can tell you from my days as a trader of financial assets that the volatility that you see is absolutely indicative of speculation in the marketplace.

REPORTER: Obama would like to coordinate the regulation of the oil futures market with other countries, in an effort to stop investors from trading US oil futures on offshore exchanges.