Presidency of Cristina Fernández de Kirchner 10, 2007, facing challenges including inflation, union demands for higher salaries, private investment in key areas, lack of institutional credibility (exemplified by the controversy surrounding the National Institute of Statistics and Census of Argentina, INDEC), utility companies demanding authorization to raise their fees, low availability of cheap credit to the private sector, and the upcoming negotiation of the defaulted foreign debt with the Paris Club. Kirchner was the second female president of Argentina, after Isabel Martínez de Perón, but unlike Perón, Kirchner was the head of the ballot, whereas Isabel Perón was elected as vice president of Juan Domingo Perón
Cristina Fernández de Kirchner singing the Argentine national anthem. The city police estimated that the demonstration was attended by 400,000 people. Several scandals took place during the Kirchner administration. The first involved the detention of Venezuelan-American businessman Antonini Wilson in an airport after being found with a suitcase filled with $800,000. This money was illegally provided by Petróleos de Venezuela, the state oil company, to be used for Kirchner's 2007 general election campaign. Details of the case were explained by businessman Carlos Kauffmann and lawyer Moisés Maiónica, who pleaded guilty. The FPV financing of the 2007 elections caused another scandal years later. Three pharmaceutical