Néstor Kirchner fanned by the political weight of Buenos Aires province (the most populous in Argentina, with almost 40 percent of the national vote), and continued through the 2005 midterm elections. Without consensus in the PJ for a candidate for senator in the Buenos Aires province, both leaders had their wives run for office: Hilda González de Duhalde for the PJ and Cristina Fernández de Kirchner for the Front for Victory, which contested the election as a different party. Cristina Kirchner won the election. As in 2003, the elections were defined by Peronist factions; the opposition parties could not put up a
Cristina Fernández de Kirchner ended his term of office in 1999 and was replaced by Fernando de la Rúa. Kirchner took part in a commission to investigate money laundering with fellow legislator Elisa Carrió, and got into conflicts with her. She ran again for senator in the 2001 midterm elections. Néstor Kirchner was elected president in 2003, and Cristina became the First Lady. Under these circumstances, she sought a lower profile in Congress. Néstor Kirchner had a political dispute with the previous president, Eduardo Duhalde. Their dispute continued during the 2005 midterm elections. Without consensus in the PJ for a single candidate for senator