James Bamford has been the preeminent expert on the National Security Agency since his reporting revealed the agency&#8217;s existence in the 1980s. Now Bamford describes the transformation of the NSA since 9/11, as the agency increasingly turns its high-tech ears on the American public.<br><br><i>The Shadow Factory</i> reconstructs how the NSA missed a chance to thwart the 9/11 hijackers and details how this mistake has led to a heightening of domestic surveillance. In disturbing detail, Bamford describes exactly how every American&#8217;s data is being mined and what is being done with it. Any reader who thinks America&#8217;s liberties are being protected by Congress will be shocked and appalled at what is revealed here.