and various cities and states can nullify virtually anywe federal law they don't like, effectively becoming their own countries. there is a word for that, it is called civil war.ir roberto hernandez is an organizer in san francisco. he is planning a day without immigrants protest for next monday when he hopes that tens of thousands of immigrants will refuse to show up to work as a kind of protest. we had another day without immigrants protest in february. donald trump is still cracking down on illegal immigration, so, it's time for another one.mp just how much work arega immigrants supposed to miss? roberto hernandez joins us tonight. mr. hernandez, thanks for coming on. >> thank you for having me on the show. >> tucker: thank you. my guess would be, i don't know what is going to happen, of course, but my guess would be that most immigrants, legal or otherwise, come into this country to work, not to become political activists, so, most of them will probably work. right? how many people would take part in this, will you say? >> here in san francisco, we are