Professor Avi Loeb on "The First Sign of Intelligent Life Beyond Earth"

On this edition of KCBS In Depth we hear from Professor Avi Loeb of Harvard University about Oumuamua, a mysterious space object that flew through our solar system back in 2017, and why he believes it could actually be a piece of ancient alien technology. Really!  Guest: Avi Loeb, professor and former chair of Harvard’s astronomy department | author, "Extraterrestrial: The First Sign of Intelligent Life Beyond Earth" Hosts: Keith Menconi, Jeff Bell