the earth is in peril and b want to help but there's other academic prestige and for politicians hl minkin is a journalist in the 20th century and he has quotes in the book i won't get it exactly right but the purpose of practical politics is to keep the public alone by mostly imaginary hobgoblins so they can be led to safety so whether it is the climate or immigration or any number of other things i think that's also motivating people. >> so the phrase of the deficiencies of the educational system in the pipeline process into the work and the public policies i will expand my not asking about deficiencies per se but the characteristics of the system that lead to the debate where it becomes heated and emotional but this particular debate it seems to ignite that. is that a deficiency or is that the nature of the system that we have or is it efficient now compared to what it used to be when we went to school quick.go >> people who have physics have a different degree of curiosity and skepticism than those in another field. but i have not interacted with students at the k-12 level. but i do te