Reihan Salam is the executive editor of the National Review. He has a brilliant new book out called "Melting Pot Or Civil War? A Son of Immigrants Makes the Case Against Open Borders." Reihan is a big influential figure in politics, and he joins us today to share his fascinating political origin story. Reihan is the newly named president of the conservative think tank, Manhattan Institute. Learn more about your ad choices. Visit megaphone.fm/adchoices