Attacks in Pakistan have more than quadrupled between 2006 and 2008 , report says . Report : Al Qaeda , extremist supporters moving across Afghan border into Pakistan . Despite having 80,000 to 100,000 troops in those provinces , it says , `` the government of Pakistan 's authority in the area continued to be challenged . '' Comment: Iran `` remained the most active state sponsor of terrorism , '' report says .
Attacks in Pakistan have more than quadrupled between 2006 and 2008 , report says . Report : Al Qaeda , extremist supporters moving across Afghan border into Pakistan . Comment: Iran `` remained the most active state sponsor of terrorism , '' report says .