MONDAY: Professor Paul Ehrlich, Author Moses Gates, Dr. Michael Gurian

Jul 19, 2013

Stanford University biologist Professor Paul Ehrlich, who wrote "The Population Bomb" in the late 1960's, explains why overpopulation is still a threat to mankind.

Professor Moses Gates discusses his book, "Hidden Cities"

An encore of Jim's talk with Dr. Michael Gurian, on his book, "The Wonder of Aging"