NATO "exhausted" in Libya?

"... With rifts apparent within NATO, the United States said some allies in the campaign against Gaddafi could see their forces "exhausted" within three months. Rebel fighters are seemingly unable to make much progress in their fight to end Gaddafi's 41-year rule and calls for a diplomatic resolution have mounted...
Italian Foreign Minister Franco Frattini's call for a political way out came after his Prime Minister Silvio Berlusconi exposed rifts within NATO by saying he had not supported the war on Libya, and France bridled at the slow pace of efforts to end the crisis. "We are convinced that the Libyan crisis requires a political solution characterized by an end to fighting, Gaddafi, who lacks all legitimacy, leaving the stage, and the launching of an inclusive democratic process involving all parts of Libyan society," Frattini told Algeria's El Khabar newspaper in an interview to be published on Tuesday...."