Nato has said on the final day of its summit in Lisbon it will start to withdraw its troops from Afghanistan next year, transferring military command there to national forces security by the end of 2014. Yet Rasmussen, Nato secretary- general, has said the alliance will maintain a military presence in the country beyond 2014, mostly in a supporting role. How significant is the exit strategy in your view? Will it work to bring security when Nato leaves? What is next for Afghanistan?