ClimateWire: A Senate Judiciary subcommittee hearing yesterday on the topic of federal regulations and their impact on minority communities devolved into a standoff over the existence of climate change -- with neither Chairman Ted Cruz (R-Texas) nor Sierra Club President Aaron Mair willing to budge from their respective positions. The debate erupted during a hearing of the Subcommittee on Oversight, Agency Action, Federal Rights and Federal Courts, when Cruz questioned Mair about global warming. The 10-minute...