U.S. Sen. Tom Harkin (D-Iowa) is set to take over the chairmanship of the Senate’s powerful Health, Education, Labor, and Pensions (HELP) Committee, the Washington Post reports . The position was held by former Sen. Ted Kennedy until his death last month. Harkin, who currently chairs the Agriculture Committee, is second in seniority behind U.S. Sen. Chris Dodd (D-Connecticut) on the HELP Committee, but Dodd has reportedly decided hold on to his chairmanship of the Banking Committee rather th