Reuters: Desert golf course superintendent Bill Rohret is doing something that 20 years ago would have seemed unthinkable — ripping up bright, green turf by the acre and replacing it with rocks. Back then “they came in with bulldozers and dynamite, and they took the desert and turned it into a green oasis,” Rohret said, surveying a rock-lined fairway within sight of the Las Vegas strip. “Now … it’s just the reverse.” The Angel Park Golf Club has torn out 65 acres (26 hectares) of …