Iraqi men who volunteered to fight along side the security forces against Sunni Muslim militants and jihadists wait prior to leave the recruitment center on June 20, 2014, in the capital Baghdad. The Shiite-led government in Baghdad has been thrown into disarray by an offensive by Sunni Arab jihadists that has swept up a vast swathe of northern and north-central Iraq, including Mosul, a city of two million people. AFP PHOTO / ALI AL-SAADI        (Photo credit should read ALI AL-SAADI/AFP/Getty Images)