Argentina's presidential candidates are working against the clock on the assembly of their lists. Daniel Scioli has already secured his own leaders in "90 percent" of the province of Buenos Aires.

The Chaco considered a single candidacy "possible" but doubts about whether it can "fulfill the perspective of integrating everyone" "We are going to accelerate the PASO," says the Buenos Aires ambassador to Lula da Silva, "Regardless of who their (Kirchner's) is"