Brazilian President Dilma Rousseff has stepped out of her predecessor’s shadow and proven herself as a leader. But what challenges lie ahead in 2012?

The debate over Venezuelan membership continued to spark political wrangling at this week’s Mercosur summit. Will Mercosur's members bypass Paraguay to let Caracas in?

The Argentine Chamber of Deputies passed a December 16 law that will limit land sales to foreigners. While the move follows regional trends, some question the feasibility of implementation. The Senate is expected to approve the law.

Haitian President Michel Martelly seeks to promote Haiti’s national sovereignty and lessen its dependence on foreign aid.

When the highest court in the United States decides on the constitutionality of Arizona’s controversial immigration law next year, it could also decide the fate of similar laws in other states.

Following the resignation of Prime Minister Salomón Lerner, President Ollanta Humala announced a broader cabinet reshuffle. The move is seen as an attempt to shore up his administration following protests over mining projects.

Brazil helped lead global climate change talks in South Africa. But environmentalists warn new Brazilian legislation may spur deforestation.