Humanitarian Intervention and the Responsibility To Protect considers who should undertake humanitarian intervention in response to an ongoing or impending humanitarian crisis, such as found in Rwanda in early 1994, Kosovo in 1999, and Darfur more recently. The doctrine of the responsibility to protect asserts that when a state is failing to uphold its citizens' human rights, the international community has a responsibility to protect these citizens, including by undertaking humanitarian intervention. It is unclear, however, which particular agent should be tasked with this...

The increased use of private military and security companies (PMSCs) is often said to be one of the most significant changes to the military in recent times. The Morality of Private War: The Challenge of Private Military and Security Companies provides a detailed assessment of the moral arguments for and against the use of PMSCs. In doing so, it considers objections to private force at the employee, employer, and international levels. For instance, does the potential for private contractors to possess mercenary motives affect whether they can use military force? Does a state abdicate...