IN BRIEF • Leader - Amir Khamzat (the soi dissant Abdu Sabur) is believed to have assumed control of the group following the death of Movsar Barayev. • Base - Reports have suggested both the Urus-Martan district of Chechnya, and northeastern Georgia's Pankisi Gorge. • Size - Perhaps as many as 400 active fighters, and, according to a 2001 interview with Basaryev, just as many in reserve. Russian authorities claim the number is greatly exaggerated. • Cause - The removal of Russian forces from Chechnya, an end to the war, and independence from Moscow. Also, to establish Wahhabism under an...