Putin's speech is very significant
This will mark a turning point in Russian relations with the Bush admin. The presence of Arabs in this atrocity has not gone unnoted. Sooner or later everyone is going to have to admit the neocon plan to end terrorism is the only realistic one - bring freedom and democracy to the Arab countries that breed them.
If America went to war with Iran or Syria, Russia would now probably go along -- and might not only send significant numbers of halfway effective troops (something almost no other country can do), but in the wake of this atrocity might even do so with the enthusiastic support of the Russian people.