question for long-term ailability. it is wonderful and clean when the market makes it work we will have it but we have to wait for the technology the free market will make that happen by government force makes that worse. >> cattle the the free market does. we have tremendous improvement of pollution control but not because industry on its own said would nippy could if we spent money o the smokestacks? >> we need pollution but if you feat of the impacts of the long term health is. john: faq robert. up next book death this. it is gross and cold and it is gross and cold and efficacy my dad has aor afib.brillation, he has the most common kind... ...it's not caused by a heart valve problem. dad, it says your afib puts you at 5 times greater risk of a stroke. that's why i take my warfarin every day. buit looks like maybe we should ask your doctor about pradaxa. in a clinical trial, pradaxa® (dabigatran etexilate mesylate)... ...was proven superior to warfarin at reducing the risk of stroke. and unlike warfarin, with no regu