Pope Francis begins historic trip to Iraq starting his three-day trịp from Friday, he is first pontiff to visit Iraq where more than a million christians have fled. - 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 #Iraq #PopeFrancis