Two grandparents in Kentucky were killed in a grocery store last week by a white supremacist. Another white supremacist killed 11 people in a synagogue in Pittsburgh on Saturday. A man was arrested on Friday for sending more than a dozen IED’s in the mail to prominent political figures. This morning, a retired St. Louis City police officer was killed during a robbery attempt. In Charlotte this morning, a high school student shot and killed a classmate after an earlier…