Originally posted by rotiart
The fact that of 7200 green lanterns not a single one thought to duplicate kryptonite or create a red sunlight wavelength...Screams... Di da di... Durrrr
Well there may be an explanation for the former in the example of KC Superman. Assuming that New Earth Superman would change in the same way and become immune to Kryptonite such a countermeasure would be worthless.