dr. rubio, thanks so much for joining me. [cheering and applause] all right. here's the book. "there's always work at the post office." you used to work at the post office. >> yes, i did. stoop steep now you're a professor of history, correct? >> yes, at north carolina a&t state university in greensboro. my students wanted me to give them a shout-out. >> stephen: okay. you got it. >> thank you. >> stephen: i'm going to have to charge you for that unfortunately. why should i care about whether the postal service is here or not? >> two words: universal service. two million addresses are added every year. 45 million address changes, who is going to do that besides the postal service? fedex, ups? >> stephen: yeah, those guys will do it. >> they won't. >> stephen: if they can make any money, they will do it. that's the free market. the postal service is a quasi socialist system that does not use the free market to gough earn whether a stamp is only 45 cents if it goes to alaska. >> lest talk about what the postal service really is. it's always been a government agency, but it has t