Guest: Dr. Harrison Schmitt. Topics: Climate control, CO2, realists vs. modelers, Returning to the Moon. Dr. Harrison Schmitt recently attended The Heartland Institute's 2009 International Conference on Climate Change held in New York from March 8-10 (See http://www.heartland.org/ for more information) and he was on today's Space Show to talk with us about climate change and anthropogenic global warming. Our discussion was far-reaching, scientific, and factual. Listeners asked lots of questions and several callers engaged Dr.