I think that given the events of late – both the inept, but nonetheless terrifying, “pipe bombs” sent to prominent opponents of President Trump and this morning’s terrorist attack on a synagogue in Pittsburgh – it’s time we had a chat about tribalism. I’m not talking about the esprit de corps of a community and a dedication to preserving one’s culture. I’m talking about the irrational dedication to one’s own “tribe,” not just shunning others, but chauvinistically portraying all others as evil and intent on destroying you.