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.
Cristina Fernández de Kirchner for a time, and Venezuela was incorporated into the Mercosur. She maintained her support of Venezuela even during the large 2014 Venezuela protests and the imprisonment of its leader, Leopoldo López. Kirchner had a rocky relationship with the United States. Several items from a US air force plane, such as drugs and GPS devices, were seized by Argentine officials, which caused a diplomatic crisis. US State Department spokesman Philip J. Crowley said that they were standard tools used in counter-terrorism tactics which were being taught to the Argentine police during the joint operation, and asked for the return of the