Spying is a pursuit as old as civilization and a craft long practiced by the most skilled and treacherous of strategists. In the wake of 9/11 and amid looming showdowns with Iraq and North Korea, intelligence gathering is at the center of a debate over the rights of the individual and the needs of national security. And it is an issue that grows ever more urgent as the Department of Homeland Security prepares to open its doors this month in the largest reorganization of American government since Harry Truman signed the National Security Act half a century ago. Full Story