What are the possibilities-and hazards-facing America as it withdraws from Afghanistan and as it reviews its long engagement in Pakistan? Where is the Taliban now in both these countries? What does the immediate future hold and what are America's choices as President Obama considers our complicated history and faces reelection?

These are some of the crucial questions that Ahmed Rashid- Pakistan's preeminent journalist-takes on in this follow-up to his acclaimed Descent into Chaos. Rashid correctly predicted that the Iraq war would have to be refocused into Afghanistan and that Pakistan would emerge as the leading player through which American interests and actions would have to be directed. Now, as Washington and the rest of the West wrestle with negotiating with unreliable and unstable "allies" in Pakistan, there is no better guide to...