Presidency of Cristina Fernández de Kirchner sliding scale; at the event, Kirchner called on farmers to act "as part of a country, not as owners of a country." In April 2008, on the 26th anniversary of the Falklands War, Kirchner stepped up Argentine claims to the Falkland Islands. She called Argentina's rights to the islands "inalienable". The large majorities in the Argentine Congress enjoyed by the Front for Victory could not ultimately guarantee a legislative blank check: on July 16, 2008, the presidentially sponsored bill met with deadlock, and was ultimately defeated by the tie-breaking "no" vote of Vice President Julio Cobos himself. The controversy cost
Cristina Fernández de Kirchner opted instead to send a bill to Congress for the renationalization of YPF, privatized in 1993, blaming the Spanish company Repsol for the energy trade deficit. The bill was approved by the Chamber of Deputies by a 207-32 margin. It was criticized as an authoritarian move, as there was no negotiation with Repsol. As well, the Vaca Muerta oil field had been discovered by this time. However, YPF was unable to afford the costs to exploit the oil at the site, and the rights to drill at Vaca Muerta were sold to the Chevron Corporation. The costs of energy imports