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U.S. Sen. Dianne Feinstein, D-Calif., speaks at the 18th annual Lake Tahoe Summit at the Valhalla Estate in South Lake Tahoe, Ca., on Tuesday, Aug. 19, 2014. Gov. Brian Sandoval and Rep. Tom McClintock, R-Calif., at right, were among the many officials at the event which attracts 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)