As much confused as the US are about which people they do support ?
Al-Nosra (supported by US) = Al Qaïda..... and Al Qaïda was 9/11, that's as simple as that.
Ref: (and a couple of other magazines and newspaper extracts, easy to find)
http://www.thetimes.co.uk/tto/news/w...cle4545775.ece
Now explain to me.