Cristina Fernández de Kirchner of the Buenos Aires province, both leaders had their respective wives run for the office: Hilda González de Duhalde for the PJ, and Cristina Kirchner for the Front for Victory. Cristina Kirchner won the election. The presidential election was held on 28 October 2007. With Kirchner leading all the pre-election polls by a wide margin, her challengers focused on forcing her into a ballotage. To win in a single round, a presidential candidate in Argentina needs either more than 45% of the vote, or 40% of the vote and a lead of more than 10 percentage points over the runner-up.
Presidency of Cristina Fernández de Kirchner to an unprecedented 23%. Once recovered from the conflict with agrarian interests, Cristina Kirchner's public approval improved; her job approval ratings rose by 30% ("Poliarquía", 08/22/08). Her inflexible handling of the protests and reluctance to review the policies that sparked the protest have led to speculation that it is her husband, predecessor in office and current leader of the Justicialist Party, Néstor Kirchner, who controls her administration. The British weekly newspaper "The Economist" has described this situation as Kirchner "paying the price for her husband's pig-headedness", and as of February 2009, her job approval rating was 28%. On October 20,