The candidates for president in Peru: from left, Keiko Fujimori, and Ollanta Humala in Peru head to head for the presidential ballot tomorrow. The polls reflect a country with 19 million voters split down the middle, between the preferences for the progressive-nationalist candidate, Ollanta Humala, a populist right-wing and Keiko Fujimori, daughter of the controversial former president, in prison for human rights violations and corruption .