How Fragile Is Freedom This Year?

I’m not the only one asking this question. A startling message came through to me on Facebook a few weeks ago—even before the Steve Scalise shooting. It was from a business acquaintance in India whom I’ve corresponded with for the past five years. His message: “Are you safe? America seems in big chaos and trouble. If you need to escape, you and your family can stay with my family.”

So I’m not alone in this uneasy feeling that America is walking on the edge.

What do workers, sightseers, or...