Africa's Berlin Wall

It's 60 times longer than the Berlin Wall was and has stood for 20 years. So why are voices not raised against Morocco's Dividing Wall in the same way protests are made against the West Bank wall in Israel? The wall separates off the part of Western Sahara that Morocco claims as its territory, rather than part of Saharawi? Journalist Eduardo Galeano gives his opinion in the issue Mail & Guardian newspaper.