First John Thune, now Tom Harkin. The U.S. Senators from Siouxland are keeping a dubious distinction within the tri-state — a month after Thune of South Dakota was named by Citizens Against Government Waste as the Porker of the Month, now Harkin from Iowa gets the nod for December. CAGW said Harkin showed a blatant disregard for the interests of taxpayers with comments in a Nov. 25 New York Times piece in which the Democrat defended continuation of "earmark" spending within the federal budget.