As the U.S. economy struggles, South America's is booming — and so is its political influence. Author and Financial Times correspondent Hal Weitzman tells Worldview why he thinks we need Latin America more than it needs us. Also, the Syrian city of Homs has been under seige by government forces for a tenth day. Worldview speaks with a Chicago-area dentist who still has family living there. And Russia and China blocked a UN Security Council resolution earlier this month that would’ve called for Syrian leader Bashar al-Assad to step down. Worldview discusses international intervention in Syria with Rashid Khalidi, Columbia professor of Modern Arab Studies.