Understatement of the Year

After an Afghan Security officer shoots an American Colonel and an American Major in the BACK OF THE HEAD while they sat at their desks because someone else tried to respectfully dispose of Korans that could no longer be used:

Meanwhile, Americans and Europeans are growing increasingly resentful of the mounting number of treacherous attacks by Afghan forces they are trying to train.

This is going around and I am happy to jump on the bandwagon.