Falsehood has more consequences than the revelation of personal insincerity. What happened at Fort Hood was no kind of "tragedy." It was a criminal act, of the terrorist sort, performed by a man acting upon known Islamist motives. To present the perpetrator himself as a kind of "victim" -- a man emotionally distressed by his impending assignment to Afghanistan or Iraq -- is to misrepresent the reality.
This man was a professional psychiatrist, assigned to help soldiers cope with traumas. Is this the profile of a man with no control over his own emotions? It appears he had hired a lawyer to get him out of the military before his deployment overseas. Is this consistent with spontaneity?
He reportedly shouted "Allahu Akbar!" before opening fire on American soldiers. Would that perhaps offer a little hint of the actual motive? He shot about 40 people, over 10 minutes, with two pistols, neither of them military issue. Might that perhaps suggest premeditation?
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