Climate Science Watch: Credit to Al Jazeera America for coming right out of the gate with a good half-hour panel on climate change, featuring three experts: Michael Mann from Penn State University, Heidi Cullen from Climate Central, and Klaus Jacob from the Lamont-Doherty Earth Observatory at Columbia. During its first day on the air, AJ America gave climate change nearly half as much coverage as all network news programs did during the entire year 2012, Media Matters for America reported. If AJ America carries forward...