Just look at what this thread has developed into. The attacker was a gay Islamic ISIS supporter that was able to buy a rifle that liberals are scared to death of (almost, it actually isn't technically the dreaded AR15 but I'll go along with it for craps and giggles because it's, in fact, irrelevant) because their precious government, due a combination of ineptness and it's own political correctness, wasn't able to/refused to stop the guy.
And slowly, but surely, as these facts came out the liberal narrative began to crumble and they've now resorted to blaming anyone and everything OTHER than the shooter, and the terrorist cult that he committed the atrocity in the name of, for his actions. That is proof that most liberals, are in fact, severely mentally handicapped when it comes to determining right from wrong. Let alone admitting when they are dead wrong about something.