No, it’s not his fault. The fault is on those who perpetrate the violence.
But he made the decisions that paved the way for it to happen, and has done nothing to try to stop it. So he bears full responsibility, especially because such an outcome was so easily predicted and concerns over it were repeatedly dismissed.
Uhm.. not only has he done nothing to stop it. He has helped perpetuate it!
He A) choreographed when we would leave Iraq and basically told the enemy he would do nothing to stop their advance.
B)He Provided them with WEAPONS to take over the country!
Taxpayer funded weapons.