Ebola has arrived in the U.S. and for the past few weeks, ever since Thomas Duncan was admitted to that Dallas hospital, we’ve been barraged with increasingly histrionic, 24-hour Ebola coverage. As more people become infected, a sense of unease intensifies. The media is slobbering all over this one, accentuating each report with pictures of people in hazmat suits and the little graphic of the virus under microscope. It’s creepy for sure. But should we be alarmed? I have no clue. I only know…