Asia Times: Going 'deep', not 'big', in Afghanistan
An analysis making waves in Washington by a veteran United States officer calls for the withdrawal of the bulk of United States combat forces from Afghanistan over 18 months, warning against General Stanley McChrystal's counter-insurgency strategy. Lieutenant Colonel Daniel L Davis says that it is already too late for US forces to defeat the insurgency. - Gareth Porter (Oct 16, '09)
You can find his paper here (or here).