The last time Donald Trump was president, he travelled to Youngstown, Ohio, among the most depressed of America’s rust belt cities, and promised voters the impossible.
The high-paying steel, railroad and car industry jobs that once made Youngstown a hard-living, hard-drinking blue-collar boom town were coming back, he said. “Don’t move. Don’t sell your house,” he crowed to a rapturous crowd in 2017. “We’re going to fill up those factories – or rip ”em down and build brand new ones”.