The United States still needs strong anti-terror strategies , she says . But the U.S. has to be more aggressive in its use of drone strikes and other counterterrorism measures that are not as effective against al Qaeda or ISIS because they don't have a presence on American soil. It 's the first time the homeland has been the primary focus , a top official says . `` We are doing everything in our power to prevent another terrorist attack on our soil ... Obama 's counterterror adviser outlined key points on Wednesday .
The United States still needs strong anti-terror strategies , she says . But the U.S. has to be more aggressive in its use of drone strikes and other counterterrorism measures that are not as effective against al Qaeda or ISIS because they don't have a presence on American soil. It 's the first time the homeland has been the primary focus , a top official says . Obama 's counterterror adviser outlined key points on Wednesday .