Real Time with Bill Maher S19E18 - Neil deGrasse Tyson, Rachel Bitecofer, Rob Reiner

This week features a one-on-one, in-studio interview with Neil deGrasse Tyson, astrophysicist with the American Museum of Natural History, host of the Webby-Nominated podcast "StarTalk," and author of the new book "Cosmic Queries." This week's in-studio panel discussion will include political scientist and co-founder of Strike PAC, Rachel Bitecofer; and filmmaker and activist Rob Reiner.