Since its inception, al Qaeda has aspired to create a safe haven in Yemen, where it has operated against U.S. and Yemeni interests. From 2001 to 2004, when Edmund J. Hull was the American ambassador to Yemen, U.S. and Yemeni counterterrorism efforts successfully seized the initiative against al Qaeda, severely degrading its capabilities. During this period, al Qaeda mounted no successful operations against U.S. interests in Yemen and suffered the loss of its top leadership and cadres.High-Value Target tells the inside story of how al Qaeda's Yemeni safe haven was disrupted during...