According to the BBC and other news stories, the US had contact with India and Pakistan and other nations in March-July 2001 about the Taleban and Possible Invasion in October 2001.
I now beleive that the US knew about 911 (I didn't say they knew the scope or planned the attacks) and figured it would help their plans to attack Afghanistan and Iraq. I aslo beleive they figured it would help add their Nazi Style Government.
http://news.bbc.co.uk/hi/english/world/
south_asia/newsid_1550000/1550366.stm

1) Nazi Style Controls at Airports
2) Nazi Overwatch of Foreigners
3) Nazi racism against Muslims
4) Nazi International Itimidation
5) Nazi Interogation of Non Supporters of the Government
6) Nazi urging of US Citizens to "Watch" Neighbors