Two years after the death of Hugo Chavez, Venezuela’s socialist revolution is in trouble. The country's oil reliant economy is ravaged by inflation, shortages and corruption. Those hit hardest are the poor, Chavez's bedrock supporters. Hardtalk speaks to one of the most prominent and outspoken members of the Venezuelan opposition - Maria Corina Machado. How close is chaos in Venezuela?(Photo: Maria Corina Machado, Venezuelan opposition leader. Credit: Evaristo Sa/AFP/Getty Images)