Afghan insurgents 'on brink of defeat' By Thomas Harding in Lashkar Gah Last Updated: 10:31PM BST 01/06/2008 Missions by special forces and air strikes by unmanned drones have "decapitated" the Taliban and brought the war in Afghanistan to a "tipping point", the commander of British forces has said. A member of 2 Scots acquires a personal escort as he patrols the town of Lashkar Gah, in Helmand province The new "precise, surgical" tactics have killed scores of insurgent leaders and made it extremely difficult for Pakistan-based Taliban leaders to prosecute the campaign, according to Brig Mark Carleton-Smith. In the past...