There have always been Americans worried about some pending religious, social or natural cataclysm. But, the business of catering to those fears, and helping people prepare to survive the next big calamity, has changed substantially in the age of Donald Trump.
And that change is evident on a particular county road in Kansas, near the center of the continental United States. Here, what looks like a grassy mound is protected by barbed wire fence and a heavily armed guard. A massive concrete entrance frames big, heavy steel blast doors.