In his resignation letter, Hoh writes: "the September 11th attacks, as well as the Madrid and London bombings, were primarily planned and organized in Western Europe; a point that highlights the threat is not one tied to traditional geographic or political boundaries."
What this means is that 'Al Qaeda', if it even ever existed, has transformed itself over the years and does not need 'haven' in any country. It is an ideology, not an elaborate organization. Therefore, it cannot be fought with tanks and helicopters, and cannot be controlled by occupying any country.
"[...] I don't believe we should continue losing and sacrificing our young men and women for goals that meet no strategic purpose to the United States," said Hoh.
Read the full story at http://www.npr.org/templates/story/story.php?storyId=114287485