The World Tonight - 09/08/2010

Radio 4's daily evening news and current affairs programme bringing you global news and analysis. Paul Kagame, the incumbent president is expected to win the presidential election in Rwanda, the country's second since the 1994 genocide - we look at what his victory would mean for the country Two witnesses tell a war crimes tribunal that Naomi Campbell knowingly received diamonds from the former President of Liberia, Charles Taylor - we talk to a human rights lawyer from Sierra Leone watching the trial. With Moscow shrouded in smoke from nearby wildfires and pollution at dangerous levels, city officials say twice as many people as normal are dying each day. And we talk to a man who walked the length of the Amazon river. With Robin Lustig.