Republican Representative Diane Black, a gubernatorial candidate in Tennessee says "porn" causes school shootings. By Martin Longman, Washington Monthly: During a meeting last week with local pastors, Black raised the issue of gun violence in schools and why it keeps happening. “Pornography,” she said.“It’s available on the shelf when you walk in the grocery store. Yeah, you have to reach up to get it, but there’s pornography there,” she continued. “All of this is available w