Iraq's Prime Minister Mustafa Kadhimi has been tackling a number of international and domestic challenges. However, his main policy has been to reduce the stranglehold Iran-backed militias have had on large parts of the country's security forces. But his ability to succeed is being questioned. On December 20 at least eight rockets struck Baghdad's heavily fortified Green Zone. The arrest of a senior leader in Qais Khazali’s Asaib Ahl al-Haq militia for his involvement in the attack, has opened up the possibility of a confrontation between the government and armed groups. How much of a threat do the militia pose? Presenter: Mohammed Jamjoom Guests: Michael Pregent, Senior Fellow at the Hudson Institute and a former adviser to Iraqi security forces Ali Akbar Dareini, Researcher at the Center for Strategic Studies - Subscribe to our channel: aje.io/AJSubscribe - Follow us on Twitter: twitter.com/AJEnglish - Find us on Facebook: www.facebook.com/aljazeera - Check our website: www.aljazeera.com/ #AlJazeeraEnglish #InsideStory #Iraq #Iran