This is WEEKEND EDITION, from NPR News. I'm Scott Simon. The news that the National Security Agency is collecting reams of telephone data and tracking Internet behavior has alarmed civil liberties groups. President Obama believes U.S. citizens have no need to worry.
PRESIDENT BARACK OBAMA: One of the things that we're going to have to discuss and debate is how are we striking this balance between the need to keep the American people safe and our concerns about privacy, because there are some tradeoffs involved.
Latin America has some of the highest crime rates in the world. And that includes extortion, which doesn't just terrorize but also takes a huge economic toll on ordinary citizens. In many Latin American countries, it's costing billions of dollars and hindering development. As part of our series on violence in Latin America, NPR's Carrie Kahn takes us to Mexico, where some estimates say extortion costs more than $30 billion a year. [POST-BROADCAST CORRECTION: Extortion costs an estimated $3.2 billion in Mexico annually.]