Saudi dirty hands in Pakistan

From Ahmet of Tunisia:  "Asad, we should call it the Fitna Hands of House of Saud, from the Economist : "The desire to have proxies, as well as pressure from Saudi Arabia, a vital ally, to allow Sunni groups to operate in order to counter the perceived influence of Shia Iran, means that Pakistan tolerates some extremist groups, while it is at war with others."