Robert Gates, the US defence secretary, is visit to the Afghan capital, Kabul, to meet Hamid Karzai, the Afghan President, US troops and allied commanders at a time of widespread anger towards the US about civilian casualties. This anger threatens to hamper security and reconciliation efforts before the gradual drawdown of the 150,000 foreign troops, deployed in the country. What will the visit achieve? How will the two countries manage their security relationship?