"But many Afghans, he wrote in his resignation letter, are fighting the United States largely because its troops are there -- a growing military presence in villages and valleys where outsiders, including other Afghans, are not welcome and where the corrupt, U.S.-backed national government is rejected. While the Taliban is a malign presence, and Pakistan-based al-Qaeda needs to be confronted, he said, the United States is asking its troops to die in Afghanistan for what is essentially a far-off
civil war." (thanks Dina)