Cristina Fernández de Kirchner in the issue a form of hipocrisy. Cristina Kirchner was elected deputy for the provincial legislature of Santa Cruz in 1989. The Justicialist Party (PJ), led by Carlos Menem, returned to the presidency in the 1989 general elections. She served as interim governor of Santa Cruz for a couple of days, after the impeachment of Ricardo del Val in 1990. She organized Néstor's political campaign when he was elected governor of Santa Cruz in 1991. In 1994, she was elected to the constituent assembly that amended the Constitution of Argentina. She was elected national senator in the 1995 general elections.
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