Tom Coburn actually said...
Our report, which was issued by myself and Senator Coburn last month, concludes that the huge number of wheat futures contracts being purchased by derivative dealers selling commodity index instruments have, in the aggregate, constituted excessive speculation in the Chicago wheat market, resulting in unwarranted price changes and an undue burden on commerce.
Context
Coburn discusses the findings of a report on excessive speculation in wheat futures.
07/20/2009