Mr. Trump's use of those cities, both with high poverty rates and large African-American populations, is, of course, intended as a crude dog whistle to the angry white men he's courting -- some old-fashioned victim blaming and shaming to rouse the rabble. But it got me thinking about this whole concept of the most dangerous place on Earth. If by that we mean the place with potential for the greatest amount of harm to the largest number of people, maybe we should broaden our definition of "danger."