‘Muhasasa’ and the scourge of divide and rule in Iraq

The resignation of Iraq’s prime minister will not send protesters home as long as the political system remains intact. So what exactly is this ‘system’ and why do so many Iraqis blame it for their problems?
Former Prime Minister Adel Abdul Mahdi’s political career imploded over the weekend leading some to speculate as to whether or not this would lead to protesters finally going home. Iraqis have been on the streets since the start of October.