From the Guardian:
The report also shows that in a single year checkpoints run by a warlord in a medium-size town can earn him more than $4m (£2.1m).
There, in dollars and cents, lie the reasons that Somalia has remained a byword for anarchy for so long. Chaos equals cash for those with guns.
A functioning national government, which President Abdullahi Yusuf is trying to install, would spell financial disaster for the warlords and the cartels.
Here.