A March 31 UN donor conference sparked pledges of nearly $10 billion to help Haiti rebuild. A recovery commission involving the UN, donor countries, and the Haitian government will oversee rebuilding projects, but concerns about implementation continue.

Brazilian President Luiz Inácio Lula da Silva this week announced a major infrastucture investment plan valued at roughly $880 billion. News of the plan could provide a boost to the political campaign of his chosen successor, Dilma Rousseff, ahead of the October 2010 election.

With the recent death of a Cuban hunger striker and harassment of the Ladies in White dissident group in Havana, U.S. President Barack Obama criticized human rights conditions on the island. His March 24 statement came ahead of a large Miami-based rally supporting dissidents.

The Colombian elections are off at a gallop, with former Defense Minister Juan Manuel Santos the current frontrunner. But Noemí Sanín clinched the Conservative Party nomination on March 19 and could serve as a strong contender at the first round of polls on March 30. They face a number of other candidates.

In the wake of the murder of three people with U.S. consular links in Ciudad Juarez, U.S. Secretary of State Hillary Clinton headed up a cabinet-level delegation to Mexico on March 23. The bilateral summit built on the Merida Initiative with an eye to improved security, but also strengthened communities and institutions.

A dispute over U.S. cotton subsidies took another turn this week when Brazil announced plans to suspend intellectual property rights on some U.S. products. That and retaliatory tariff measures are slated to take effect in April, though both sides hold hopes for negotiations.

In the wake of a massive Chilean earthquake, new President Sebastián Piñera took office March 11, reshaping his earlier agenda and promising to make the country’s reconstruction his top priority.