“At least four people are dead after shootings in three communities near Philadelphia in what a law enforcement official with knowledge of the investigation says appears to be a domestic dispute. The gunman shot and killed his former wife and then shot and killed other members of his family at a different location Monday morning, the official said.” That’s from CNN. Other reports differ in the details and indicate the shooter may be barricaded. As always, known knowns and unknown knowns will be mixed with speculation and unadulterated bovine byproduct until long after the situation is over. Stay tuned.