New York Times: As David Myers scans the rocky slopes of this desert canyon, looking vainly past clumps of brittlebush for bighorn sheep, he imagines an enemy advancing across the crags. That specter is of an army of mirrors, generators and transmission towers transforming Mojave Desert vistas like this one. While Whitewater Canyon is privately owned and protected, others that Mr. Myers, as head of the Wildlands Conservancy, has fought to preserve are not. To his chagrin, some of Mr. Myers’s …