Human rights issues shade Obama's visits to Cuba and Argentina. Plus: Colombia faces peace deadline; Venezuela goes on a long holiday; and more.

A quick guide to the drama shaking Brasilia.

AQ's editor-in-chief talks with the ratings agency's chief analyst for Brazil on what the country's fast-moving crisis will mean for its economy.

A party with no clear ideology and corruption issues of its own will determine the president’s impeachment, and may soon rule Brazil.

Months before the 2016 Games, the Vila Autódromo favela is a flashpoint for anger with Rio Olympics development.

A flurry of deals is expected ahead of President Obama's trip. Plus: protests in Brazil; energy crisis in Colombia; Mexico's anti-corruption effort; and more.

Julio Guzmán was optimistic about his appeal for reinstatement – until it was rejected on March 14. Prior to the ruling, he spoke to AQ about his fight for the presidency.