Eduardo Duhalde

The larger battle may be over the future of Peronism, but it's the fight between the first ladies that has grabbed the headlines as Argentines go to the polls today. The mud-slinging campaign closed last week in an eleventh-hour frenzy of verbal volleys, with President Nestor Kirchner saying he would be "a prisoner of vested interests" during his remaining two years in office if his slate does not win big in the midterm legislative elections.