Pillar three of the Responsibility to Protect (RtoP) focuses on the international community's responsibility to take 'timely and decisive action' to prevent and halt genocide, ethnic cleansing, war crimes, and crimes against humanity in those instances where a state is unable or unwilling to protection its own populations. A range of tools have been devised to aid in this 'timely and decisive action': economic sanctions, international criminal trials, and, most controversially, the use of force. The recent crises that have erupted in places such as Libya, Syria, and the Central African...