The UN was setup in the wake of WWII, with preventing genocide as one of it’s core aims.
The situation in Sudan shows the farce that this is. The Government of Sudan is able to stop the UN moving in on it’s own
In an unsigned letter this week, Sudan’s UN mission warned that any nation volunteering troops for a UN peacekeeping force in its vast Darfur region was committing a “hostile act” that was a “prelude to an invasion.”
Sadly, this being an “internal” problem, it can be safely ignored.
The sooner a proper replacement for the UN is found, the better.
Updated:
Found this cartoon on Cox and Forkum. Two Years Old.
Something should go here, maybe later. 
Bless you for your concern for Darfur.
Several of us have decided to begin a RESCUE DARFUR FAST. One of us began 5 days ago, and several others today. Links below for the details.
Nothing less than a worldwide fast-until-the-genocide-stops will be enough to stop it.
Nothing less will be a sufficient moral response.
Nothing less will preserve our humanity, yours and mine.
Please consider linking (below) to increase the visibility of this effort.
Jay McGinley jymcginley@cs.com
Day 134 Darfur Vigil at White House; Day 68 Rescue Darfur Fast (since July 4, 2006)
DARFUR Dying for Heroes (you would find this a helpful resource)
Stand With Darfur-White House II
Please consider linking here to increase the visibility of this effort.
http://darfurdyingforheroes.blogspot.com
http://darfurdyingforheroes.blogspot.com/2007/09/join-rescue-darfur-fast-till-it-stops.html