Last Sunday, Potter took me out driving along upper Broadway, where those long rows of tall new apartment houses were built a few years ago. It was a mild afternoon and great crowds of people were out. Sunday afternoon crowds. They were not going anywhere, - they were just strolling up and down, staring at each other, and talking. There were thousands and thousands of them. "Awful, aren't they!" said Potter. I didn't know what he meant. When he added, "Why, these crowds," I turned and asked, "Why, what about them?" I wasn't sure whether he had an idea or a headache. "Other creatures don't do...