Afghans shout anti-Pakistan slogans at a protest to condemn the killing of Burhanuddin Rabbani, former Afghan president and head of the government’s peace council, in Mazar-i-Shariff October 5, 2011. Rabbani was killed on September 20 by a suicide bomber who hid explosives in his turban and posed as a Taliban representative with a message of reconciliation. Islamabad has already responded angrily to allegations from Afghan officials that Pakistan