AS we all know, war has changed. In the 21st century it is dominated by irregular and unconventional ways of fighting. Al Qaeda demonstrated this on 9/11, and the bloody wars in Afghanistan and Iraq are only further corroboration. War can no longer be waged effectively by conventional combat forces employed by modern militaries. The Pentagon is just starting to catch up with these changes. It is in the midst of a strategic overhaul aimed at coming up with new ways to fight new wars. This was first signaled in the 2006 Quadrennial Defense Review, which described the “long war”...