Warmist Hartmann links Tobacco to CO2 -- Morano responds: 'CO2 is a trace essential gas in the atmosphere, that we exhale -- you are comparing CO2 to tobacco smoke now? Hartmann: Yeah. Morano: You sound like GOP leader John Boehner who said Co2 was not a carcinogen. Why don't you just claim that? Boehner meant to say CO2 was not a 'pollutant' and got ridiculed at the time. You are dangerously close to going there'