US : Gen. Gunter Katz , a spokesman for the ISAF , said last week . President Obama says he will talk to President Karzai about the issue . NEW : Obama spoke with the chairman of the Joint Chiefs of Staff , who is in Afghanistan . Only about 10 % of the attacks are related to the insurgency , military officials say . ` ` Vulnerability of local communities to ( terrorist ) influence is great , '' the U.S. top military official says .
US : President Obama says he will talk to President Karzai about the issue . NEW : Obama spoke with the chairman of the Joint Chiefs of Staff , who is in Afghanistan . Only about 10 % of the attacks are related to the insurgency , military officials say . ` ` Vulnerability of local communities to ( terrorist ) influence is great , '' the U.S. top military official says .