But Boren said that he will vote for Obama at the Democratic convention in August and also plans to vote for him on Election Day in November.
"I think this is an important time for our country," Boren told the AP. "We're facing a terrible economic downturn. We have high gasoline prices. We have problems in our foreign policy. That's why I think it's important."
Boren is the only Democrat in Oklahoma's congressional delegation and is seeking a third term in his largely rural district.