At Mother Jones, Tasneem Raja and Chris Mooney report on parents’ ease of avoiding immunizations for their children by simply checking a box saying vaccines are against their “personal beliefs,” leading many states to reconsider their religious exemptions. “Forty-eight states (all but West Virginia and Mississippi) allow exemptions on religious grounds,” they write. “In many states, obtaining a religious exemption isn’t any harder than getting a personal-belief exemption.”