School shootings spark debate ranging from gun control to bulletproof windows. But the most fruitful approach may be to prioritize our discussion of mental illness.

Our ignorance of the cosmos is too vast to commit to atheism, and yet we know too much to commit to a particular religion. A third position, agnosticism, is often an uninteresting stance in which a person simply questions whether his traditional religious story is true or not true. I call myself a possibilian. Find out why.