“Democracy Dies in Darkness” is the (sometimes ironic) slogan of The Washington Post. But it’s also a fair description of what’s happening in Tennessee, as the state Legislature is being called to a special session even as local and federal officials withhold information that might be critical to its decision-making. Gov. Bill Lee ordered the special session to begin Aug. 21 in response to a March 27 mass shooting in which three adults and three children at the Covenant School, a Christian school in Nashville’s Green Hills neighborhood, were killed. The Nashville Tennessean article refers only to “a shooter.” The...