Maryland Gov. Martin O'Malley, right, and U.S. Sen. Tom Harkin, D-Iowa, speak to reporters during Harkin's annual fundraising steak fry, Sunday, Sept. 16, 2012, in Indianola, Iowa. O'Malley, chairman ... more 
Maryland Gov. Martin O'Malley, right, and U.S. Sen. Tom Harkin, D-Iowa, speak to reporters during Harkin's annual fundraising steak fry, Sunday, Sept. 16, 2012, in Indianola, Iowa. O'Malley, chairman of the Democratic Governors Association, is walking an early — and tricky path — into presidential proving ground Iowa on Sunday, less than 60 days before the 2012 election. (AP Photo/Charlie Neibergall) less 
1 / 26
Associated Press | Photo By Charlie Neibergall
Sun, Sep 16, 2012 6:38 PM EDT