Contributions from Rachel Glickhouse
Explainer: The Zika Virus in Latin America
Find out how governments are responding to an outbreak of this disease that may be responsible for serious birth defects and a rare paralysis condition.
Explainer: How Brazil's Presidential Impeachment Process Works
Brazil's lower house president accepted a request to impeach President Dilma Rousseff, but roadblocks lie ahead.
Brazil Update: Congress to Consider Bill Loosening Gun Control
Passed in committee earlier this month, the new statute would make it easier to buy and register weapons.