How can Obama say Darfur is a reason to fight and Iraq isnt?

Barack Obama has been a leading voice urging the Bush Administration to take stronger steps to end the genocide in Sudan. He worked with Senator Sam Brownback (R-KS) to p the Darfur Peace and Accountability Act. Obama has traveled to the United Nations to meet with Sudanese officials and visited refugee camps on the Chad-Sudan border to raise international awareness of the ongoing humanitarian disaster there. He also worked with Senator Harry Reid (D-NV) to secure $20 million for the African Union peacekeeping mission. Obama believes the United States needs to lead the world in ending this genocide, including by imposing much tougher sanctions that target Sudan?s oil revenue, implementing and helping to enforce a no-fly zone, and engaging in more intense, effective diplomacy to develop a political roadmap to peace. The international community must, over the Sudanese regime?s protests, deploy a large, capable UN-led and UN-funded force with a robust enforcement mandate to stop the killings.