By Ricardo López Göttig On 25 October are the general elections in Argentina. After twelve years of Kirchnerism, with Néstor Kirchner (2003-2007) and Cristina Fernández de Kichner (2007-2011 and 2011-2015), the upcoming elections are the opportunity for a change. Of the two main opposition candidates, Mauricio Macri -mayor of Buenos Aires- has better chances to compete in the ballottage against governor Daniel Scioli. The third presidential candidate, Sergio Massa, is also of peronist origins, but he quit the party in 2013 in order to run for a seat in Congress. The main battlefield is the province of Buenos Aires, with 38% of total voters. Mr. Scioli is actually the governor, and after two terms in office, he is now running for president. But it's well known that governors of Buenos Aires never succeeded in presidential elections. Eduardo Duhalde, former governor of Buenos Aires, was elected president by the Congress in 2002, but not by popular vote. Mr. Scioli needs 40% o...