An Indiana supermarket has started the next trend in do-it-yourself grocery shopping – allowing customers not only to check themselves out. But also to let themselves in. On Thanksgiving night in Goshen, the locking mechanism on its front door was not checked by someone at the store. That resulted in a dozen customers entering the store and trying to shop despite a complete absence of store employees. Normally open 24 hours a day, the doors of the store were shut at 6 p.m. on Thanksgiving evening. Store manager, Sheila Donley, said. “It seems the locks on the front doors must have failed, and instead of actually sleeping off their turkey dinners or getting an early head start on Black Friday, some loyal Kroger customers decided to pick up a few extra...