especially a developed country like the united states or northern europe. >> tucker: there are lots of arguments for mass, lowe wage immigration and some of them are perfectly reasonable. there is a moral argument if we could help people, we should. i don't think that's crazy.i i don't see the economic argument for it under the circumstances that you just described. >> it is supply and demand. if you increase the supply of low skilled labor, you increase the demand for good, blue-collar jobs. the problem is, there are fewer blue collar jobs already for the american working class. another way to think about, thistt we paid more attention with the advent of donald trump, we paid more attention to the white working class in america, belatedly. a way to think about this, even if you are not particularly sympathetic to their plight, they are like the canary in the coal mine. in other words, as you just alluded, it's going to start -- what's happened tost them and black blue collar workers as well, is going to