Funny, I heard that very phrase coming from the left for 40 years. Who will step into that role? History has shown time and again that nations are incapable of policing themselves. Should we turn the role over to China? Russia? Or Iran? What we should be doing, though, is more "policing" in this hemisphere.
How about letting them kill each other? Why should I care what dictator in a sovereign nation like Qadaffi does to his people as long as he isn’t a threat to American life, liberty, and persuit of happiness?