Like so many other school shootings that make national headlines, we don’t know why the shooter at the Marysville Washington High School killed two people and severely injured three more on Oct. 24. Also like other shootings, the killer turned his weapon on himself. We do know that when the 14-year-old picked up his father’s Beretta .40-caliber handgun, he broke the law because it’s illegal for him to possess the gun and ammunition, carry the gun to school and, of course, open fire. As always, the Left’s pundits point to the gun and label it the source of all social ills. As Hot Air’s Jazz Shaw says, it took all of three minutes for a Huffington Post reporter to tweet, “By the way, there are two background check measures on the ballot in Washington this year.” What no one can understand is the freshman’s mental state, why the homecoming prince descended to murder. But one thing is clear: The gun didn’t make him do it. More…