The conflict could widen out into WW3 if the USA trys to widen the "war on terrorism". And its sheer naughtiness to assume that osama bin laden will be dead by Xmas as im sure the USA will want to put him on trial in a fair and proper way. As to kill him would be against the values they supposedly stand for.
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In nomine Imperatis, guard our armour and our gaze; lubricate our projectile weapons that they do not jam. Bless and brighten the beams of our lasers; fiat lux in tenebris.
He is the Master of Mankind by the will of the gods and master of a million worlds by the might of his inexhaustible armies. He is a rotting carcass writhing invisibly with power from the Dark Age of Technology. He is the Carrion Lord of the Imperium to whom a thousand souls are sacrificed every day.