people there can't breathe. new delhi shut down a coal plant because the pollution there has gotten so intense and what does that tell you? it tells you that the next great global industry is going to be around clean air and clean power. when the two most populated countries in the world are barreling down that path themselves because they can't breathe. we should invest in coal while the next great global export industry is going to be clean air, clean water and efficiency. technologies. oh, technology, wait a minute, that's our specialty. let's give that up and let's go back to digging coal. like how mad is that? >> what it does is it appeases part of the manufacturing base of labor who was in that business who've seen their jobs go away and looking -- >> so many more people involved in making solar panels, building efficient systems and building green buildings than are digging coal. would you want your kids to go back digging coal? >> true. at this point, i'd like my kids