In his latest effort to pretend he is doing something about skyrocketing crime rates, President Joe Biden rolled out his new rule on so-called ghost guns this week. In doing so, he peddled a number of anti-gun cliches and silly comments. For example, he stated, "You couldn't buy a cannon when the Second Amendment passed." First of all, this is not even true — as of this writing, we cannot find a law from that era banning the purchase of cannons. But more importantly, it is irrelevant to discussions about guns. There has never been a Second Amendment right to...