But the material suggests that al Qaeda was particularly interested in striking Washington , New York , Los Angeles and Chicago , according to the law enforcement official who spoke on condition of anonymity . NEW : `` We are going to ultimately defeat al Qaeda , '' Obama says . Dozens of people are arrested in Abbottabad , a Pakistani intelligence official says . The U.S. military is also launching an operation against the Taliban and Al - Qaeda. The group says it is n't going away and will continue to plot .
NEW : `` We are going to ultimately defeat al Qaeda , '' Obama says . Dozens of people are arrested in Abbottabad , a Pakistani intelligence official says . The U.S. military is also launching an operation against the Taliban and Al - Qaeda. The group says it is n't going away and will continue to plot .