>> on climate change, the greatest existential threat that we face. >> we are facing a climate crisis. it represents an existential threat to who we are as human beings. >> tucker: the greatest existential threat, says beto. what does that even mean? the kid went to columbia. he can't even speak clear english. is it an existential threat, whatever that means, or is it not? or do top democrats to see their own comfort is more important?t? author and columnist mark steyn joins us. what do you think? >> hey, tucker. you know it's interesting to me is they always talk about the interior of the country as flyover country. basically the bit between jfk in new york and lax on the west coast. in fact, it's actually gotteny worse. it's now become private flyover country. it's noncommercial flyover country for these guys. and they say well, it's because of the campaign. f you are having lunch in