That's what you have the UNSC: if 9 out of 15 of the UNSC council cannot agree to the legitimacy of intervention, or one of the 5 permanent members objects, you are outside international law.

Crime doesn't play well on American TV, either, but Americans don't demand that, say, the Texas National Guard go and "pacify" South Central LA, do they? Or the California National Guard, for that matter.

Humanitarian disasters don't play well on European TV either, but I guess we're more aware of the fact that we're not likely to be greeted with flowers.

It would go a long way towards solving the problem of brutal dictators if we started by not propping them up, or selling them weapons, or using them as proxies.

Nothing is 'mere'. — Richard P. Feynman