Is Iraq's Government on the Verge of Collapse

With the parliament off on a month-long vacation, five more Iraqi cabinet ministers quit today, the last of the Sunnis in a Shiite-dominated regime. The latest to leave the government of Nouri al-Maliki are loyal to former Prime Minister Ayad Allawai. Also today, suicide bomber killed at least 28 people, including 19 children, in Tal Afar, a religiously mixed city north of Baghdad. This comes on the heels of Defense Secretary Robert Gates' very public disappointment over the failure of political reconciliation. We hear about Iraqi politics and the government's inability to provide basic services, including water and power. Is it too late for the Iraq Study Group's recommendations? Should Iraq be divided into three separate entities?