After September 11, 2001, Pakistan's president, Pervez Musharraf, vowed to fight extremism in his country and has since established himself as a key ally in America's "global war on terror." But as veteran Pakistani journalist and commentator Zahid Hussain reveals in this book, Musharraf is in an impossible position. The Pakistani army and intelligence services are thoroughly penetrated by jihadists. In fact, the current government came into power through its support of radical Islamist groups, such as those fighting in Kashmir.

Based on exclusive interviews with key players and...