For anyone wishing to understand the next, post-9/11 generation of al-Qaeda planning, leadership, and tactics, there is only one place to begin: Southeast Asia. In fact, such countries as the Philippines, Indonesia, Thailand, and Malaysia have been crucial nodes in the al-Qaeda network since long before the strikes on the Pentagon and World Trade Center, but when the allies overran Afghanistan, the new camps in Southeast Asia became the key training grounds for the future. It is in the Muslim strongholds in the Philippines and Indonesia that the next generation of al-Qaeda can be found. In...