The World Tonight - 24/07/2009

National and international news and analysis with Robin Lustig. Norwich by-election victory for the Tories. Ageing China - Shanghai tells couples to have more than one child. Thai rice farmers left struggling despite soaring food prices. A legal wrangle over a yodelling hit. Thousands of tourists evacuated as fires spread in Spain. Lebanon in search of the unity government. A police sting in New Jersey - a tale of corruption, body parts and money laundering.