Why humanitarian wars can go so wrong

"All wars are terrifying gambles, but the wars justified with moral claims of humanitarianism carry a distinctively harrowing set of risks and problems — above all, the challenge of preventing massive human catastrophes with limited means..."

http://www.washingtonpost.com/opinions/why-humanitarian-wars-can-go-so-wrong/2011/04/04/AFgHYI4C_story.html