A year after the Navy SEAL operation in Abbottabad, Pakistan, that killed Osama bin Laden, the CIA is stepping up drone attacks in Yemen and has broadened its targeting of al-Qaida's arm there. It is clear that al-Qaida isn't dead yet, and counterterrorism officials say the group is diminished. But its ideology, a kind of al-Qaida-ism, will take longer to die.