American officials are praising the Brazil-led peacekeeping mission in Haiti as an example of beneficial security cooperation among Latin American countries, even as the U.N. operation faces criticism for not doing enough to secure Haiti.Defense Secretary Donald H. Rumsfeld talked up the Haiti example in Quito, where he and other Western Hemisphere defense ministers are gathered for a conference starting Wednesday. Like in Haiti, Rumsfeld said, the hemisphere’s countries should be cooperating on a range of security issues including fighting terror and narcotics trafficking.Full Story