Matthew S Williams "Smartbomb" PDF

In the not too distant future, the world is ruled by two superpowers. Both sides keep the peace by relying on smart machines that have changed the face of warfare. Intelligent and efficient, they have surpassed their handlers in every way, except in terms of freewill. But as a potentially fatal crisis looms, how will the machines react? Will they continue to obey their handlers, or disobey a few humans to save humanity?