Mr. Humala narrowly defeated Keiko Fujimori in Sunday's presidential race. Both candidates were dogged by their pasts, but here are five factors that could influence his future administration.
Javier Sicilia's caravan stops in Morelia, capital of the state of Michoacán, where Mexican President Felipe Calderón launched his 'war on drugs.' Our correspondent is in the caravan, talking to residents along the way.
Renowned poet Javier Sicilia has begun a citizen's protest against Mexico's war against drugs that will visit flashpoints across the country. Our correspondent is in the caravan, talking to residents along the way.
Both Humala and Fujimori are polarizing figures with many detractors, which could translate into widespread blank ballots Sunday. But democracy isn't just about presidents and presidential elections.
Ahead of elections in the state of Michoacan, candidates are trying to present themselves as cleaner than their rivals – a possible bellwether of how corruption will figure as an issue in the 2012 presidential elections.
GPS devices in the hands of migrant smugglers could save the lives of their human cargo, he says. But the US Border Patrol warns that the devices only encourage people to make the dangerous trip across the Arizona desert.
While a freedom of information law awaits passage in Brazil's Senate, Brazilians remain in the dark about the taxes they pay, despite working nearly half the year just to pay them.
Amid drug violence, Mexico's slow but steady growth - and low inflation rate - is setting it apart from other economies in the region.
With the recent massacre of 27 laborers in the department of Peten, groups are urging Guatemala to purge its institutions of organized crime. Throughout the region, drug money wields significant influence among politicians, police, and communities at large.
It is part of an effort by the government of Juan Manuel Santos to bring closure to decades of civil conflict, even though it rages on in some parts of the country.
A diversity of Brazilians who turned out for the public wake of Abdias do Nascimento, who fought for black rights in a country that imported far more African slaves than America.
The Sandinistas of the Cold War requested aid from countries across the globe, landing themselves in neither the Soviet nor American camps. Today President Daniel Ortega is in many ways following those same steps. But he soon may be forced to make some choices.
The number of internally displaced people in Mexico pales in comparison to those forced to flee rural areas of Colombia, for example, but the number is growing.
The 'victim's law' may come too late for the families who built up new communities on their own.