A substantial part of our trip to California was spent revelling in the freedom of the open road. From San Francisco to Big Sur and further inland to Yosemite, California was made for a road trip, and we savoured every mile of it. A friend’s wedding in southern California then beckoned us further south to San Diego and LA via the arid Mojave desert, in striking contrast to the snow-capped slopes of Yosemite we had glimpsed hours earlier. It was…