Kentucky is on the cusp of doing what was once unthinkable: opening the door to nuclear power.

Above: FILE - In this Oct. 16, 2014 file photo, fog hovers over a mountaintop as a cutout depicting a coal miner stands at a memorial to local miners killed on the job in Cumberland, Ky. The Republican-controlled Kentucky state legislature is on the cusp of lifting its decades-long moratorium on nuclear energy, a move …