Darfur and the numbers game

For some time now I have had an interest in how human rights violations are counted. There is a debate going on right now because of alleged exaggerations in the number of victims in Darfur. You can find a number of articles on this by googling. For a start, here is something the BBC ran a few days ago: http://news.bbc.co.uk/2/hi/africa/6951672.stm