While the death of Osama bin Laden undoubtedly struck an important blow against al Qaeda and its affiliates, Pakistan still remains a hotbed of extremism, and al Qaeda seeks to exploit the turmoil in the Arab world to expand its presence in Yemen, Syria and the Maghreb. On April 26, the Saban Center for Middle East Policy and Foreign Policy at Brookings hosted a discussion on the situation in Pakistan and the threat facing the United States from al Qaeda nearly one year after the death of Osama bin Laden.