MAYFIELD, Ky.— The first tornado warning was already over when Elijah Johnson walked onto the candle factory floor to begin his 6 p.m. shift.A team leader instructed the 20-year-old candle inspector to get into position on the production line.... Johnson asked too, he said, but the supervisor said no.“ Even with the weather bad like this, you’re still not going to let me go?... Why didn’t supervisors send out messages informing workers that if they left because of the storms they would not be