As the allies squabble about burden-sharing, the situation on the ground is becoming increasingly grim.
By Simon Tisdall
".....Despite a steady escalation of force levels from about 5,000 in 2003 to more than 40,000 today, the fight grows ever more desperate. The possibility of military failure, previously unthinkable, is now openly discussed. Few deny that Nato's first and biggest operation outside Europe is in trouble. According to a senior European diplomat, the alliance's cohesion and credibility is increasingly on the line......"