The Southwest touched my imagination when, as a college student in Nebraska in the early 1960s, I received a letter and some photographs from my friend Deane who had stopped in Arizona while traveling west; she described the towering rock formations around Sedona and the studio she was renting, once the residence of Surrealist artist Max Ernst, who left behind a yard still strewn with sculptural fragments. Among these was one that I was amazed to identify as the original for his famous 1948 …