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From left, California Gov. Jerry Brown, Nevada Gov. Brian Sandoval, Rep. Tom McClintock, R-Calif., and California Lt. Gov. Gavin Newsom listen to Senate Majority Leader Harry Reid speak at 18th annual Lake Tahoe Summit at the Valhalla Estate in South Lake Tahoe, Ca., on Tuesday, Aug. 19, 2014. The event, which attracts government officials, scientists and educational and environmental agencies from California and Nevada, helps focus on environmental issues key to the preservation of the Lake Tahoe basin. (Las Vegas Review-Journal/Cathleen Allison)