Likely outcome for Tikrit 's current offensive to reclaim Baghdad is defeat for ISIS , writes Hayder al-Khoei . Al-Khoei : Crucial element for success will be varied make-up of the groups involved in the fight . Both Shia and Sunni groups view ISIS as a common threat and enemy that must be defeated , he adds .
Likely outcome for Baghdad 's current offensive to reclaim Tikrit is defeat for ISIS , writes Hayder al-Khoei . Al-Khoei : Crucial element for success will be varied make-up of the groups involved in the fight . Both Shia and Sunni groups view ISIS as a common threat and enemy that must be defeated , he adds .