Folks—the demonization of the AR-15 rifle has begun in the media. The usual talking points about its lethality, its rate of fire, and its scariness are coursing through the veins of the anti-gun Left following the Orlando attack. Omar Mateen committed the worst mass shooting in U.S. history on Sunday morning, which will likely be reclassified as a terrorist attack, when he murdered 49 people at a gay nightclub (Pulse). As Bob Owens and Streiff noted at Bearing Arms and RedState respectively, Mateen didn’t use an AR-15 rifle, but the media has a narrative to dole out (via CBS News):...