>>887457right, and not developing a cure for AIDS and cancer is more economically efficient as well, but sometimes it's best to think about the future, jack. what's best in the long term might not be what's best in the short term, but it's still worth it. maybe we should have invested more vigorously in non-hydrocarbon energy starting 50 years ago and then we'd be over it by now. the likes of the UAE, Saudi Arabia, et al would be poor moisture farmers instead of bankrolled terrorism financiérs