Adib Khorram’s YA (Young Adult) novel “Darius the Great Is Not Okay” places a teenager at the intersection of race, sexuality, and disability — Public conversations about diversity overwhelmingly focus on race, biological sex, gender, and/or sexual orientation. When limited to these popular characteristics, discourse on diversity is setting itself up to become redundant. I’ve observed an inclination to assume that young people won’t be able to grasp the concept of intersectionality, and I…