BUENOS AIRES, ARGENTINA - AUGUST 26: Mauricio Macri Presidential Candidate for Cambiemos looks on during a press conference where opposition leaders joined Jose Cano, candidate for Governor of Tucuman, after irregularities during the elections held on August 23 at Sheraton Hotel on August 26, 2015 in Buenos Aires, Argentina. (Photo by Gabriel Rossi/LatinContent via Getty Images)
