Hidden Cities http://wrkf.org en MONDAY: Professor Paul Ehrlich, Author Moses Gates, Dr. Michael Gurian http://wrkf.org/post/monday-professor-paul-ehrlich-author-moses-gates-dr-michael-gurian <p>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.</p><p>Professor Moses Gates discusses his book, "Hidden Cities"</p><p>An encore of Jim's talk with Dr. Michael Gurian, on his book, "The Wonder of Aging"</p><p></p><p><em>&nbsp;</em></p><p><em> Fri, 19 Jul 2013 21:54:03 +0000 Jim Engster 13623 at http://wrkf.org