The important thing to realize is that they are already fighting us in Iraq and have been committing terrorist murders on our people for decades. Now they are escalating their support for our enemies in Iraq and Afghanistan, arming them, training them, providing sanctuary and respite from the battle, and helping them travel back and forth, in addition to aiding other terror groups calling for the destruction and/or responsible for the murder of Americans. Refusing to recognize this fact will not make it go away. Militarily, Iran is our enemy and must be dealt with in order to prevent another 9/11. These people are terrorists. We must destroy them while we are in the region, if we ever want to be able to get out of the region and let the stupid islamaniacs kill each other over who is more like muhammed the child raping retard conqueror.

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Qur'an:8:39 Fight them until all opposition ends and all submit to Allah.
Qur'an:8:67 It is not fitting for any prophet to have prisoners until he has made a great slaughter in the land.
Qur'an 8:12 I will terrorize the unbelievers...Strike off their heads and cut off each of their fingers and toes.
Qur'an 9:5 Fight and kill the disbelievers wherever you find them, take them captive, torture them, and lie in wait and ambush them using every stratagem of war.