If Obama is correct in saying the Xmas day terrorist was a “lone extremist” why do officials disagree?

http://abcnews.go.com/Blotter/northwest-bomb-plot-planned-al-qaeda-yemen/story?id=9426085 http://voices.washingtonpost.com/44/2009/12/obama-remarks-on-airline-secur.html The plot to blow up an American passenger jet over Detroit was organized and launched by al Qaeda leaders in Yemen who apparently sewed bomb materials into the suspect’s underwear before sending him on his mission, federal authorities tell ABC News. Investigators say the suspect had more than 80 grams of PETN, a [...]