to talk about, they don t quite know how to talk about it, maybe they don t because in the americans are nervous about getting rid of all fossil fuels. this is a highlight of some level of hypocrisy or manipulation. it would be virtually impossible to spend an entire debate talking about it and not talk about how you pay for this thing and the basic brass tax issues that comes underneath it. i m not sure that s the issue. i do not think democrats are running from climate change as an issue and i think it s very real, if we don t do something about it we ll have a problem. every candidate has rolled out their own plan, very extensive from going back to the paris accords to building a but we did under president obama. martha: take a look at bernie sanders, got confronted by a student at a town hall. watch this. no secret we must transition away from fossil fuels period, end of discussion. there ain t no middle ground. what would you take practice