Dr. John Robson explains why studying the past history of the Earth is vital to understanding the climate change debate, and why it's foolish and anti-democratic for alarmists to insist that voters should have an opinion on the subject then try to slap them down with a mortar board if they deviate from the party line. To support the Climate Discussion Nexus, subscribe to our YouTube channel (http://www.youtube.com/channel/UC_egdS4871949youPFyvW_A) and our newsletter (at http://www.climatediscussionnexus.com/), like us on Facebook (http://www.facebook.com/ClimateDN/), follow us on Twitter (http://www.twitter.com/ClimateDN), and make a monthly or one-time pledge at http://www.climatediscussionnexus.com/donate/
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