Failed Islamic State commanders and militants who fail to carry out their duties are being fed to hungry dogs or subjected to chemical weapons being tested on “caliphate” prisoners, multiple media sources tell Breitbart. A Kurdish Peshmerga in northern Iraq reported the dog execution, the UK Daily Mail said. According to Hasan Khala Hasan, ISIS has been developing more brutal execution methods to terrorize its forces into obeying orders and fighting more fiercely, as the terror state suffers a string of battlefield defeats. Hasan described executions where failed commanders in Iraq were tied to trees and then mauled by dogs until they died. Meanwhile, a new propaganda video from ISIS in...