America's longest war is winding down as the US troop withdrawal from Afghanistan is already underway. How have America's goals changed? Has President Obama's military "surge" been successful? What about the civilian surge? Those and other questions are addressed in Little America: The War within the War for Afghanistan. Its author, Rajiv Chandrasekaran, is a foreign correspondent and editor for the Washington Post. His Imperial Life in the Emerald City was a scathing account of US handling of the war in Iraq.