NEW : U.S. official says Pakistan could take `` several steps '' against extremists . : Suspected drone attack kills 12 . The ISI chief will ask that Pakistan be allowed to conduct strikes . Recommend0 Pakistan has been critical of the drone program .
NEW : U.S. official says Pakistan could take `` several steps '' against extremists . The ISI chief will ask that Pakistan be allowed to conduct strikes . Recommend0 Pakistan has been critical of the drone program .