The World Tonight - 22/10/2009

National and international news and analysis with Robin Lustig. The BNP leader Nick Griffin appears on Question Time; despite protests the BBC defends the move. The postal workers' union announces more strikes - we examine the strategy of both sides of the dispute. Drought in Ethiopia: 25 years on from the terrible famine of 1984, why are Ethiopians still dying from hunger? A new champion skier - from Ghana?