ColumnsHit the RoadHit the Road: Why do Arizona’s saguaros disappear at the California border?E'Louise OndashSeptember 24, 2018 September 24, 201801170 It’s 9 a.m. on a September day in Quartzite, Arizona, and the temperature is already 100 degrees. This blip-of-a-town, about 20 miles east of the California...