TEN YEARS HAVE PASSED since the shocking attacks on the World Trade Center, and after seven years of conflict, the last U.S. combat troops left Iraq—only to move into Afghanistan, where the ten-year-old fight continues: the war on terror rages with no clear end in sight. In The Longest War Peter Bergen offers a comprehensive history of this war and its evolution, from the strategies devised in the wake of the 9/11 attacks to the fighting in Afghanistan, Pakistan, and beyond....