Barry Rubin brilliantly explains how Nidal Hasan's slide show explicates his motives in the Fort Hood jihad massacre:

How do we know that the attack at Fort Hood was an act of Islamist terrorism? Simple, Major Nidal Hassan told us so. You've seen reports of a long list of things he did and said along these lines. But what's most amazing of all is this:

Hassan is the first terrorist in history to give an academic lecture explaining why he was about to attack. Yet that still isn't enough for too many people--including the president of the United States--to understand that the murderous assault at Fort Hood was a Jihad attack.

It was reported that the audience was shocked and frightened by his lecture. He was supposed to speak on some medical topic yet instead talked on the topic: "The Koranic World View as it Relates to Muslims in the U.S. Military." All you have to do is look at the 50 Power Point slides and they tell you everything you need to know.

It is quite a good talk. He's logical and presents his evidence. This is clearly not the work of a mad man or a fool, though there's still a note of ambiguity in it. He's still working out what to do in his own mind and is trying to figure out if he has a way out other than in effect deserting the U.S. army and becoming a Jihad warrior. Ultimately, he concluded that he could not be a proper Muslim without killing American soldiers. Obviously, other Muslims could reach different conclusions but Hassan strongly grounds himself in Islamic texts.

In a sense, Hassan's lecture was a cry for help: Can anyone show me another way out? Can anyone refute my interpretation of Islam? One Muslim in the audience reportedly tried to do so. But unless these issues are openly discussed and debated--rather than swept under the rug--more people will die.

In fact, I'd recommend that teachers use this lecture in teaching classes on both Islam and Islamist politics. .

Follow along with me and you'll understand everything.

Hassan deals with three topics: What Islam teaches Muslims, how Muslims view the wars in Afghanistan and Iran, how this might affect Muslims in the U.S. military. [Slide 2] Hassan defines Jihad, showing how silly are the claims that it only means a personal struggle to behave better. It also signifies holy war, of course. [Slide 5].

Now here's Hassan's central theme. Muslims cannot fight in an infidel army against other Muslims. And Hassan himself says that it's getting hard for Muslims in the U.S. military to justify doing so. [Slide 11] Obviously, Hassan was deciding that he couldn't do so.

He then quotes the Koran extensively to prove the point. Allah will punish anyone who kills a Muslim [Slide 12]. Hassan then gives four examples of Muslim soldiers who broke under the strain. One who killed fellow American soldiers (which Hassan would himself do), one accused of espionage (but was acquitted), one who deserted, and one who refused deployment to Iraq. [Slide 13]

Quoting the Koran, Hassan next provides a number of quotations to show that the believer must obey Allah. If they do, they will enjoy great delights (though he left out the 72 virgins, there's one quote hinting at pederasty), and if they don't they will suffer torments of Hell.

Finally, he gets into the heavy stuff. Hassan introduces the concept of "defensive Jihad" which is a core element in radical Islamist thinking and has especially been promoted by Usama bin Ladin and al-Qaida. [Slides 37-39]. If others attack and oppress Muslims, then it is the duty of all Muslims to fight them. September 11 was justified by its perpetrators by saying that the United States had attacked Muslims and therefore it was mandatory to kill Americans in return.

And here is the crux of the matter: Verse 60:08, "Allah forbids you...from dealing kindly and justly" with those who fight Muslims." [Slide 40]

If Nidal Hassan believed this and would follow it, he must--to be a proper Muslim in his eyes--pick up a gun and join the Jihad, Muslim side. He was not shooting Americans because he caught battle fatigue from American soldiers he treated. Think about it. To have done so, Hassan would have had to sympathize with them, thinking about what it would be like for him if he'd been fighting...Muslims in Iraq or Afghanistan. But that was precisely his problem. He sympathized with the other side....

There is much more. Read it all.

[....] The fact that Hassan’s lecture has not been the centerpiece of the whole post-massacre debate is a true example of how impoverished are the “experts,” journalists, and politicians at dealing with these issues. Of course, without exploring the Islamic factor, they're wasting everyone's time. They're also going to be wasting quite a few lives.