What happens when Glenn tells sexual orientation expert and neuroscientist Dr. Debra Soh that he feels like a woman today? Well, he gets a hard dose of objective truth based in science. In Soh's new book, "The End of Gender: Debunking the Myths about Sex & Identity in Our Society," she gives parents the tools to fight back against the lies their children are being taught in school: "Gender is a social construct. There's no such thing as boys and girls." She says it's anti-science to encourage children to transition to the opposite sex. Soh explains why she had to leave academia to speak freely about sex and identity, and why as even as a liberal, she and Glenn have a lot more in common than one might expect.