UBL is being a little disingenuous. He issued his fatwa in 1996 declaring war against the United States. There is an AQ connection to WTC I. AQ blew up our embassies in East Africa in 1998 resulting in over 5,000 wounded and dead. He attacked the USS Cole in 2000. There may have been AQ involvement in Khobar towers bombing, the attacks in Riyadh in 1995, and Somalia. The bottom line is that UBL has been attacking the US for almost a decade. The WTCII was the first on our soil. However, technically an attack against our embassy is an attack on our soil.