(April 4, 2011) Professor Vincent Courtillot, one of France’s top scientists, dissects global warming theories by using real data rather than relying entirely on computer models. This excellent 32 minute lecture touches on global cooling, the role of the sun, Climategate, and the Hockey Stick graph. Most of this lecture is accessible to the science-oriented layman. Many without a science orientation will also find it helpful in understanding broad global warming themes.