Pretty good article that gives a little history of Aghanistan and the Taliban, some discussion of alternative theories at the end, check it out:

http://countercurrents.org/us-ruijter170806.htm

However, if we stick to the facts, and throw out all the information that comes from unverifiable sources, our world looks very different. This research article is intended to reveal the facts that lead to the US invasion of Afghanistan and to reveal the logical place of the 9/11events in that context. It is not meant to offend anyone. Don't read it if you are pleased with the "official" version of our history.
...