Nothing says “welcome to the third world” quite like entering Jasper County, South Carolina on Interstate 95. Traveling from Georgia, the highway narrows from six lanes to four lanes – with rusty guardrails flanking the roadside. Trash is everywhere, greeting visiting motorists as they pass through a 1990s-era stucco display that might as well be the entrance to a drug kingpin’s barn – or a trailer park. Which … is fitting. Traffic grinds to a slow crawl, then proceeds in stop-and-go fashion for the next fifty miles. Worst of all is the pavement – which resembles an Afghan airstrip following...