Networker, survivor - Afghanistan's former leader Hamid Karzai, famous for his traditional cloak and sheepskin hat, is back in the news. While others fled Kabul in mid-August when the Taliban swept in, Karzai stayed. He sat with them to help negotiate the transfer of power. In power for 13 of the past 20 years, the former president tells Lyse Doucet he's proud of what Afghanistan achieved and says neither he nor the US were able to stem the resurgence of the Taliban. Series music composed by Arson Fahim