There has been a growing, orchestrated effort over the last three years by some groups to label the parents’ rights movement right-wing — and the media are buying it. They portray the campaign as a contagion spreading from hillbilly red states to previously liberal enclaves in the north. Even — gasp! — to New York City, our once-safe haven of liberalism! If the attitude seems to reek of coastal elitism, you’re not wrong. The details offered in the hit pieces are scant, but who cares? Slapping a right-wing label on anything in New York City, no matter how disingenuous, is...