End of the checkout line: the looming crisis for American cashiers

Donald Trump is fixated on a vision of masculine, blue-collar employment. But the retail sector has long had a far greater impact on American employment – and checkout-line technology is putting it at riskThe day before a fully automated grocery store opened its doors in 1939, the inventor Clarence Saunders took out a full page advertisement in the Memphis Press-Scimitar warning “old duds” with “cobwebby brains” to keep away. The Keedoozle, with its glass cases of m