"Population statistics are like crystal balls -- when examined closely, they can help predict a country's future (and give important clues about the past). Kim Preshoff explains how using a visual tool called a population pyramid helps policymakers and social scientists make sense of the statistics, using three different countries' pyramids as examples."
Thousands of mostly teenage boys have fled their country to embark on a 10,000-mile trek to Europe in search of a better life. Anderson Cooper reports. (RT @nordbergj: Largest child migration of our time: Afghan boys smuggled through Europe.