We celebrate the fact that Pew reports 43 percent of young adults are nonreligious, and that overall the “Nones” (nonreligious) are larger than any religious denomination. Mandisa Thomas, founder and president of Black Nonbelievers, tells us about the upcoming Revival of Reason conference in Atlanta. Then, we speak with public-health expert Professor Patrick L. Remington, who is on the board of the Centers for Disease Control and Prevention’s “Morbidity and Mortality Weekly,” about the dangers that religion and the right-wing administration pose to the work of the CDC.