Democratic presidential hopeful Barack Obama said Thursday the United States cannot use its military to solve humanitarian problems and that preventing a potential genocide in Iraq isn't a good enough reason to keep U.S. forces there. "Well, look, if that's the criteria by which we are making decisions on the deployment of U.S. forces, then by that argument you would have 300,000 troops in the Congo right now - where millions have been slaughtered as a consequence of ethnic strife - which we haven't done," Obama said in an interview with The Associated Press. "We would be deploying unilaterally and occupying the Sudan, which we haven't done. Those of us who care about Darfur don't think it would be a good idea," he said. Download complete story in PDF format.