sreenivasan: we take a closer look at what this means for afghanistan moving forward with: riaz mohammad khanrmer pakistani diplomat who also served as that country's foreign minister, and barnette rubin, he was a senior advisor at the u.s. state department from 2009 to 2013. riaz mohammad khan, i want to start with you. who was masour? >> he was an important leader. after a long struggle, he was recognized as the leader of the taliban. and this will lead to another round of divisiveness struggling for the leadership in the taliban. but apart from that, it will go back to the process. some of the factions in afghanistan are in pakistan. >> reporter: what about the significant of this happening in balugistan? >> this was done by a need to protect american soldiers not by a strategic decision about the war in afghanistan. it was the headquarters from the taliban was located. we've known that for a long time. the united states used drones. mostly the c.i.a. using drones against terrorists with global reach like al quaida or closely connected to al quaida in the tribal areas of pakistan, and they