The World Tonight - 03/08/2009

News from a global perspective with Brian Hanrahan. As the government defends its Afghanistan strategy, a former US lieutenant-colonel says that Afghanistan could turn into Obama's Vietnam. India outlines an ambitious programme to go green with solar power. Iran's first president after the Islamic revolution, Abolhassan Banisadr, tells the programme that the regime is detested from the inside. California attempts to deal with its ailing economy. Why haggis might not be so Scottish after all.