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 president, and automatically assumed the presidency on his death. The transition from Néstor Kirchner to Cristina Fernández de Kirchner was also the first time a democratic head of state was replaced by their spouse without the death of either. He remained highly influential during his wife's term, supervising the economy and leading the PJ. Their marriage has been compared with those of Juan and Eva Perón and Bill and Hillary Clinton. Media observers suspected that Mr. Kirchner stepped down as president to circumvent the term limit, swapping roles with his wife. When Néstor Kirchner refused to run for re-election in