As Cohen argues, the UN has been useless--or worse. And what's really infuriating is that we still desperately need the UN, and we have to make do with the existing power structures.
Annan finally last week found a moment to criticize Bashir directly and called upon him to disarm the militias.
http://www.un.org/apps/news/story.asp?NewsID=10726&Cr=sudan&Cr1=Hopefully the AU can prevent this from spiraling totally out of control. The EU had pledged to help, then balked at sending peacekeepers. Last I checked, the Germans were still expressing concerns and a willingness to lead, but I don't know where that's going.
The need is still desperate:
http://www.un.org/apps/news/story.asp?NewsID=10732&Cr=sudan&Cr1=And it's infuriating to know that this "humanitarian" crisis is the result of a war crime, the kind of atrocity the UN was designed to prevent, that it could have prevented, arguably, had there been a strong political inclination to do so. It's an outrage.