Patrick Cockburn's new book looks at the legacy of recent wars, as well as at how convoluted ongoing conflicts in the Middle East truly are.
Having spent an estimated $1 trillion and having sacrificed the lives of 2,150 soldiers, the US finds itself increasingly consigned to observer status in Afghanistan.
Part One: Mitt Romney
Part Two: Newt Gingrich
Part Three: Ron Paul
Part Four: Rick Santorum
Part Five: Barack Obama
Mike Ludwig is a Truthout reporter. Follow Mike on Twitter @ludwig_mike.