> I'm not sure that our only option is giving up on trying to find one. No one is suggesting "giving up". In any case, it's not in the nature of science to giv

> I'm not sure that our only option is giving up on trying to find one. No one is suggesting "giving up". In any case, it's not in the nature of science to give up on searching for solutions. But as things stand, there's no obvious solution. > instead of "impossible" in the quote above I would put "extremely difficult". My use of "impossible" was only with respect to measures that modify the behavior of individuals by force. That's impossible without abandoning civilized standards. I don't normally use the word "impossible" without good reason.